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Watermachine

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WATERMACHINE YACHT CHARTER

33m  /  108'3   gulf craft   2023.

• Previous Yacht

Cabin Configuration

Special Features:

• Full-beam master cabin with dressing room and study
• Built in 2023
• 1,500nm range
• Interior design from Gulf Craft
• Sleeps 12 guests

Prepare for a charter vacation of lifetime aboard Gulf Craft luxury yacht Watermachine

The 31.68m/103'11" motor yacht 'Watermachine' is an excellent new superyacht for the luxury charter market. Delivered by the Emirati shipyard Gulf Craft and featuring interior styling by Emirati designer Gulf Craft she can comfortably accommodate up to 12 guests in 5 cabins.

Built in 2023, Watermachine is the ideal luxury yacht for kicking back and relaxing whilst on charter, showcasing clever use of space with an artful combination of integrated systems and luxurious features, she's a crowd-pleaser for sure.

Guest Accommodation

Families will particularly love Watermachine thanks to her child-friendly setup. She offers guest accommodation for up to 12 guests with a layout comprising a master suite located on the main deck, two double cabins and two twin cabins. The supremely spacious full beam master suite incorporates its own study and dressing room. There are 9 beds in total, including 1 queen, 2 doubles, 4 singles and 2 pullmans. She is also capable of carrying up to 6 crew onboard to ensure a relaxed luxury yacht charter experience.

Onboard Comfort & Entertainment

A charter on Watermachine is comfortable and convenient thanks to the provided amenities such as a steam room, all you need to relax muscles and reduce stress.

Whatever your activities on your charter, you'll find some impressive features are seamlessly integrated to help you such as Wi-Fi connectivity, allowing you to stay connected at all times, should you wish. You can stay comfortable on board whatever the weather, with air conditioning during your charter.

Performance & Range

Built with a GRP hull and GRP superstructure, she benefits from a semi-displacement hull to provide exceptional seakeeping and impressive speeds. Powered by twin MAN engines, she comfortably cruises at 12 knots, reaches a maximum speed of 20 knots with a range of up to 1,500 nautical miles from her 15,141 litre fuel tanks at cruising speed. Her low draft of 1.58m/5'2" makes her primed for accessing shallow areas and cruising close to the shorelines.

Watermachine has a good selection of water toys and accessories to entertain you and your guests whilst on charter. Principle among these are waterskis that are hugely entertaining whether you are a beginner or a seasoned pro. Another excellent feature are two F5S SEABOBs providing agile cruising and diving. Also there are wakeboards so guests can show off at speed. If that isn't enough Watermachine also features inflatable water toys and paddleboards. When it's time to travel from land to see, it couldn't be easier with a Axopar Chase Tender.

Book your next the Mediterranean luxury yacht charter aboard Watermachine this summer. She is also accepting bookings this winter on request.

Motor yacht Watermachine boasts an impressive array of outstanding amenities for truly out-of-this-world charter vacations that you’ll never forget.

TESTIMONIALS

There are currently no testimonials for Watermachine, please provide .

Watermachine Photos

Amenities & Entertainment

For your relaxation and entertainment Watermachine has the following facilities, for more details please speak to your yacht charter broker.

Watermachine is reported to be available to Charter with the following recreation facilities:

• 1 x Axopar 28 T-Top Chase Tender

For a full list of all available amenities & entertainment facilities, or price to hire additional equipment please contact your broker.

• + shortlist

For a full list of all available amenities & entertainment facilities, or price to hire additional equipment please contact your broker.

'Watermachine' Charter Rates & Destinations

Summer Season

May - September

€112,000 p/week + expenses Approx $120,000

High Season

€126,000 p/week + expenses Approx $135,000

Cruising Regions

Mediterranean France, Italy, Monaco

HOT SPOTS:   Amalfi Coast, Corsica, French Riviera, Sardinia

Winter Season

October - April

Please enquire .

Charter Watermachine

To charter this luxury yacht contact your charter broker , or we can help you.

To charter this luxury yacht contact your charter broker or

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5 Best Watermakers for Sailboats

With the right Watermaker, the ocean becomes an almost immeasurable supply of fresh and clean drinking water to keep you hydrated during your offshore sailing adventures.

Many sailors do spend a lot of their time and money on various parts of the sailboat including the sails, engine, electronics, and generators especially when preparing for long-distance voyages.

While there's absolutely nothing wrong with this, they often overlook one crucial part of general human survival: having an ample supply of fresh drinking water.

Whether you have freshwater drinking tanks on your sailboat or planning to cruise in areas where you can easily access clean drinking water, the hassle involved in having to come to the dock to fill the water tanks can be quite overwhelming.

This is exactly why you need to find the best watermakers for sailboats.

Like many other nautical technologies, watermakers have significantly advanced in the last few decades to become very efficient and more reliable. They're no longer a luxury on your sailboat but a necessity. Better still, watermakers have become relatively affordable and are meant to keep you hydrated as you explore areas that do not have clean and fresh drinking water.

In this article, we'll take a look at how watermaker systems work, highlight its benefits, and highlight the best sailboat watermakers on the market right now. At the end of this read, you should be able to choose the best watermaker for your sailboat.

Table of contents

Benefits of Having a Watermaker on Your Sailboat

The freedom and security that come with having full water tanks on your sailboat are of immense importance, especially if you're cruising in an area where fresh drinking water is hard to come by and quite expensive when you do. As such, having a watermaker aboard your sailboat is no longer a luxury like it used to be in the past. With a steady supply of fresh and clean water, your life on the sailboat will be a lot better. This is because you'll have enough clean water to drink, cook, wash, and shower, which is beneficial if you want to enjoy your sailing adventures.

Honestly speaking, many sailors do not actually need a watermaker. Well, if you're planning to sail just near the shores, then there's a chance that you can easily access fresh and clean water by the dock. But this can be limiting if you've been dreaming of going off the grid and sailing to some exotic and unknown places in the world.

With that in mind, a watermaker makes a lot of sense to most sailors. You won't have to worry about having to carry aboard gallons of fresh water for cooking and drinking during your voyage. You won't have to treat freshwater as a precious commodity that must last until you can refill at the next port. With a watermaker, you can simply go ocean crossing without worrying about running out of water.

A watermaker allows you to have a steady supply of fresh and clean water to keep everybody well-hydrated and healthy. You can clean the water anytime you feel like and all you have to do is replace the filter once in a while and you'll be good to go. In essence, a watermaker is probably one of the most important equipment to have aboard your sailboat, so installing it is of great importance if you're a serious sailor.

The Basics of Modern Marine Watermakers

Modern marine watermakers essentially follow the principle of reverse-osmosis to produce pure, drinking water from seawater. During this process and through very high pressure, seawater is forced through a semipermeable membrane that only allows freshwater molecules to pass through it but not salt, bacteria, or any other organic material. The newly made pure, drinking water is then piped to the sailboat's water tanks while the leftover (brine) is discharged overboard.

Even though marine watermakers may differ in the type of pump that's employed and how it is driven, this is one of the most important features in every watermaker. In most cases, water can be electrically pumped or powered directly off the boat's engine. If you have an AC generator or alternator on your boat, it would make much sense to use the AC output to drive the watermaker directly. You can also choose the DC-powered models if you rely on renewable energy from solar or wind. Alternatively, you can still go for AC-powered watermakers but you'll have to buy an inverter.

All in all, DC-powered watermakers are more efficient since they integrate a power-saving energy recovery system (ERS). You must, however, keep in mind that your energy consumption levels might be quite high if you're sailing in colder and saltier areas. This is because the water purification process might be a bit slower in such areas. As such, you should consider investing in a more high-powered watermaker system if you will be sailing in colder and saltier areas than if you're planning to sail more in warm and less salty areas.

As far as an engine-driven watermaker is concerned, you should mount the high-pressure pump on the engine so that it can be belt-driven using an automatic clutch. An engine-driven watermaker should be your first option if you want large quantities of fresh drinking water. This is more productive than AC or DC-powered watermakers. Even with a relatively small engine, this setup has an automatic regulator that constantly pumps the water. With that in mind, engine-driven watermakers are ideal if you want to reduce your energy consumption. To put it into perspective, an engine-driven watermaker can lower energy consumption by an enormous 80%, especially when compared with conventional AC or DC-powered watermaker systems.

How to Choose the Best Watermaker for Your Sailboat

There are many factors to consider when looking for the best watermakers for your sailboat. Here are the most important things to consider.

Your Freshwater Needs

One of the most important things to consider before spending your money on a watermaker is your freshwater needs. What quantity would be enough to keep you going on your sailing adventure? While the quantity might differ from one sailor to the other or from one boat to the other, you should consider the number of gallons that a particular watermaker can produce per day. This will help you in choosing the ideal watermaker; a model that will ensure that you never run out of water. Do not underestimate your water needs, especially if you're planning to sail with your children or if you're planning to stay on the boat for an extended period of time.

Do you have enough space on your vessel to accommodate the type of watermaker you're looking to buy? While most watermakers are designed to fit in the smallest of space, you should consider the actual size of the watermaker and find out whether you have enough space on your vessel to fix it.

Watermakers can run on electricity, renewable energy such as wind and solar (if you have them on your vessel), or both. When looking for the perfect watermaker, you should consider how to power it and whether or not the watermaker has low-energy consumption, which is definitely a great feature. Again, there are also engine-driven watermakers, so it's important to know exactly what you're going for.

Maintenance

Watermakers have a reputation for being difficult to maintain. Fortunately, the equipment and components have improved in the last few years so you should go for a model that's easy to maintain. You should use the watermaker in water bodies that look good, You should avoid using the watermaker in dirty harbors as you may have to change the filters every so often or even damage your watermaker altogether.

Best Watermakers for Sailboats

Let's take a look at the best watermakers available on the market right now.

The Ultra Whisper

Engineered by limited electrical options that can run on either DC or AC, THE Ultra Whisper by Sea Recovery is one of the best watermakers currently available on the market. In addition to being very quiet, this watermaker features an automatic operation that requires very minimal operator adjustment.

This watermaker is ideal for small powerboats and sailboats since it can serve as an efficient water supply. This model boasts about a 75% reduction in power consumption, especially when compared to other models.

• ‍ Smooth and quiet water production
• Can produce up to 2,280 liters per day
• Ideal for small boats
• It is energy efficient
• ‍ It might not be perfect for large boats

Echotec Watermaker

If you want a watermaker model that can produce 60 liters per hour flawlessly and with no maintenance apart from changing the filters, look no further than the Echotec Watermaker. This model is designed for ultra-reliable performance and easy customer installation.

This watermaker is made from high-quality components that can withstand the continuous harsh marine environment, making it one of the most durable watermakers on the market. This is essentially a series of modular watermakers ranging from 12-volt to 24-volt DC-powered models. They bring forth energy efficiency, a computerized energy recovery system, and ultimate reliability to ensure that you never run out of fresh drinking water while out there on the sea.

• ‍ Energy efficient
• Cost-effective
• ‍ Comes with a very low speed
• Not ideal for large boats

Spectra Katadyn PowerSurvivor

As a compact and energy-efficient watermaker, the Spectra Katadyn PowerSurvivor is arguably the most affordable watermaker currently available on the market. We are talking about a model that only requires 4 amps to desalinate water for your sailboat. It can produce 1.5 gallons of fresh drinking water per hour, which is an excellent return for a watermaker of its size.

It is also one of the most portable watermakers around. You can choose to either install it permanently or temporarily in case you want to take it somewhere else. This portability is also essential if you're looking for a space-saving model that can fit in the smallest of compartments. Its simple but rugged design is essential in ensuring that it can perform at its best even in harsh marine conditions. In terms of its power capabilities, this is the only model on the market that will convert to a hand-operated system or manual power if there's a power shortage.

• ‍ Portable and lightweight
• Rugged design to withstand harsh marine environments
• Efficient and reliable
• Can revert to manual power if there's a power shortage
• Perfect for off-grid sailing
• ‍ Gasoline or diesel can easily damage the semi-permeable membrane

Village Marine - Little Wonder Series

Whether you're looking for a watermaker for your small sailboat or looking for a watermaker that can efficiently serve those huge yachts, the Village Marine Little Wonder Series provides everything. This model is meant for experienced sailors who are looking for various capacity options. This watermaker weighs just about 69 pounds but can produce nearly 180 gallons of fresh drinking water each day.

Designed with a low RPM high-pressure pump, this model remains one of the most efficient and economical watermakers on the market. That's not all; this watermaker is designed with corrosion-resistant features and is one of the most serviceable watermakers in the game. It is reliable, quiet, and portable; all factors that make a watermaker great.

• ‍ Easy to operate
• Corrosion-resistant
• Easy to maintain
• Quiet and versatile
• ‍ It doesn't have automatic adjustment controls

Ventura 150 Watermaker

This is one of the most versatile watermakers on the market. It can use both electricity and renewable energy. This model is engineered to be lightweight and energy-efficient and its compact and modular design makes it a great option if you're looking for a watermaker that's easy to use and install in confined spaces.

The Ventura 150 watermaker is highly efficient as it can produce over 6 gallons of water an hour, which makes it quite perfect for small vessels. This sailboat watermaker features a controller that allows you to operate and monitor the device remotely. It also has the auto store button that will automatically flash the system after every five days.

This watermaker is quiet and surprisingly compact despite its ability to produce about 150 gallons of water per day. It also gives you the option of going for the automated manual or manual model.

• ‍ Very versatile
• Can use both electricity and renewable energy power
• It is smooth and quiet
• It is compact and lightweight
• ‍ The manual model has analog controls

To this end, it's easy to see that having an ideal watermaker aboard your vessel is one of the first crucial steps towards being self-sufficient and sustainable. With a watermaker, you'll be able to access fresh drinking water at all times when sailing even in far-flung places. Most of these models are well-constructed and incorporate some of the best technologies that make them efficient, reliable, and easy to install, use, and maintain.

So when it comes to choosing the best watermaker for your sailboat, it may all come down to what is ideal for you in terms of energy consumption, efficiency, the quantity of water produced, among many other things. With an ideal watermaker, you can remain off the grid for as long as you want without ever worrying about running out of water and this is of great importance in enjoying your sailing adventures.

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Daniel Wade

I've personally had thousands of questions about sailing and sailboats over the years. As I learn and experience sailing, and the community, I share the answers that work and make sense to me, here on Life of Sailing.

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7 Best Sailboat Watermakers For Liveaboards 2024

If you’re a liveaboard sailor looking for the best sailboat watermaker then you’ve come to the right place. In this blog post, we’ll take a look at some of the best watermakers on the market and show you how they can help make your sailing experience more enjoyable.

There’s nothing quite like the freedom of sailing on the open water. If you’re a liveaboard sailor, though, you know that keeping your boat stocked with fresh water can be a challenge. That’s where sailboat watermakers come in handy.

Not only do they produce fresh water for drinking and cooking, but they also help keep your boat clean by providing water for showers and dishes.

In this blog post, we’ll take a look at the best sailboat watermakers available on the market today. We’ll discuss the pros and cons of each model so that you can make an informed decision before purchasing one for your boat.

So, whether you’re looking for a compact unit that is easy to install or a high-performance model that can handle large volumes of water, we have something for you. Keep reading to learn more.

How do marine watermakers work?

What are the benefits of having a watermaker on your sailboat.

• How do I choose a sailboat watermaker?

How big a water maker do I need?

How much does a sailboat watermaker cost, how much power does a watermaker use, how much space does a marine watermaker take up, maintaining your sailboat watermaker, the best sailboat watermakers for liveaboards.

As an Amazon Associate, we earn from qualifying purchases. We also earn from other affiliate programs. This means we may receive a small commission on products purchased through our links at no extra cost to you.

Marine watermakers are devices that convert salt water into fresh water, making them an essential tool for sailors and boaters. But how do they work?

At the heart of every marine watermaker is a reverse osmosis membrane. This is a thin, semi-permeable film that allows water molecules to pass through, but blocks out larger molecules like salt.

To create freshwater, salt water is forced through the membrane under high pressure. This process is known as reverse osmosis, and it leaves the salt behind in the brine stream. The freshwater that comes out of the other side is then collected and stored in tanks.

Marine watermakers are powered by either electricity or a diesel engine, depending on the size of the unit. Some small portable units can even be powered by a car battery.

You will probably want a pretty decent battery bank and solar or wind setup to power your watermaker. By far the easiest solution is to get a reliable, drop in battery. We highly recommend BattleBorn’s lithium batteries which is what we use to power our watermaker.

⚡ Check out BattleBorn batteries here

If you’re thinking of outfitting your sailboat with a watermaker, you’re in for a treat. Adam and I put off buying one for two years, as we weren’t sure it would be worth the big investment. But after a year in the Cyclades where finding free town quays with water was near impossible, we decided to bite the bullet and commit.

It’s the one thing we wish we’d done sooner. A sailboat watermaker has literally changed our lives at sea and we couldn’t be without one now.

Not only will you have a reliable source of fresh water, but you’ll also be able to enjoy extended stays at sea. Here are just a few of the benefits we’ve found of having a watermaker on your sailboat:

Perhaps the most obvious benefit of having a marine watermaker is that you’ll never have to worry about running out of fresh water. Whether you’re sailing around the world or just spending a few weeks cruising the coast, a watermaker will give you the peace of mind that comes with knowing you have an unlimited supply of fresh water.

Obviously, fresh drinking water from the watermaker is great, but it also means we don’t worry about taking a shower or the huge amounts of washing up caused by certain meals or having people over for dinner!

In addition to providing an endless supply of fresh water, a watermaker can also help extend your cruising range. By making your own water, you won’t have to make as many stops to restock your tanks. This means you can stay out on the open water for longer periods of time and explore more distant ports. It also saves a lot of money on marinas and a lot of trips to beach showers!

Finally, having a watermaker onboard can be a real lifesaver in an emergency. If your boat is disabled and you’re stuck at sea, having a way to make fresh water can mean the difference between life and death.

How do I choose the best sailboat watermaker?

There are a few things to keep in mind when choosing a watermaker for your sailboat. There is no one size fits all when it comes to choosing the perfect watermaker for you, so take some time to read the pros and cons of each model before you commit!

If you’re just cruising around the local waterways, you can get away with a smaller unit and top up your tanks with water from the dockside. But if you’re planning on venturing out into the open ocean, you’ll need a larger unit that can produce more water.

You’ll want to take into consideration the amount of people you’re likely to have onboard. Adam and I find out Rainman naked 12V system keeps up with our needs just fine, but after taking on two more members of crew we quickly ran out of water and struggled to keep up with the new demand.

You should also track your water usage habits for a bit to see how much water you use on a daily basis. If you can’t live without daily long showers, or you need fresh water to wash down the boat regularly, or you have fresh water flushing toilets then you’ll obviously be using a lot more water than others.

The amount of water you use when you have a watermaker is likely to increase a little from your needs now, as you’ll be a little less careful with it. Factor this into your decision!

Like everything in sailing, you can spend as much or as little as you want on a watermaker. There are even some people who have successfully made their own watermaker and only spent money on the parts (some of which you can source second-hand).

If you aren’t a wizard with things like that though, you’re going to be looking at spending a decent amount of money on a sailboat watermaker. On average, they cost around £3000-£5000 for a watermaker for a cruising sailboat (around 40ft).

You can spend more like £10,000 on a watermaker for a larger boat, and you can spend less on a second-hand marine watermaker or a DIY one.

We’ve put together a guide to help you work out your needs based on what you use aboard.

Different brands of watermakers are more efficient than others, but from our own experience and that of others we’ve talked to, it takes around 10 Watt-hours to make a litre of water – i.e. about 0.8 Amp-hours from a 12-volt battery.

Things like the chemistry of your battery bank, the length of your cable runs, and even the temperature of the sea, can all make a difference to the amount of power you’ll need to make a certain amount of water, but this is a rough average.

We’ve got a guide on working out how much power you’ll need.

A marine watermaker is a very useful tool, but it’s not exactly small. In fact, depending on the model, a watermaker can take up quite a bit of space.

The average unit is about the size of a small freezer, and some models are even larger. Given that most boats are fairly limited in terms of space, this can be a bit of a problem.

The good news is that there are now several manufacturers who offer compact watermakers that are designed to take up less space. These units are often smaller than a standard coffee maker, making them much easier to find a spot for on your boat.

We’ve included some great options for smaller boats below.

Like any piece of equipment, a watermaker requires regular maintenance. Fortunately, there are some simple steps that you can take to keep your watermaker in good working condition.

First, be sure to check the filters on a regular basis. Not only will this help to ensure that your water is clean, but it will also help to prolong the life of your watermaker.

Second, be sure to check the seals and o-rings for leaks. These are essential for keeping your watermaker operating efficiently, and any leaks can lead to costly repairs.

Finally, be sure to perform a yearly “spring cleaning” by flushing the system with fresh water.

By following these simple tips, you can keep your watermaker in good working order for years to come.

You should also account for the fact that parts are bound to break and need fixing or replacing. Most watermakers come with proprietary parts which make them a pain to fix in remote places, but there are a few that take non-proprietary parts. We would recommend these to anyone planning a larger cruising ground.

#1 Rainman naked 12V Marine Watermaker

The Rainman naked 12V watermaker is a great option for anyone looking for a compact, efficient way to produce fresh water.

The unit is simple to set up and use, and it produces up to 30 litres of fresh water per hour for a smaller unit, or up to 140 litres per hour for a larger one.

One of the main reasons we were drawn to Rainman watermakers is that they use all off-the-shelf, standardised parts. If your Rainman breaks down, it almost doesn’t matter where in the world you are – you’ll likely be able to get standardised spares in the nearest major city. For any liveaboards hoping to circumnavigate this should be an important consideration.

Installation was really very straightforward. End-to-end it took two days to install and test the unit, plus an extra day to get the autoflush set up.

We were pleasantly surprised to find that the unit came with almost everything we needed to install it. We were expecting to supply our own hoses, sundries, etc. but Rainman supplies everything you need.

Whether you’re sailing around the world or just weekends on the lake, the Rainman naked 12V watermaker is a great way to ensure you have access to fresh, clean water.

Check out our full Rainman watermaker review for everything you need to know.

#2 Spectra Newport 400c Watermakers for Sailboats

Spectra watermakers have an excellent reputation among the sailing community and you can’t go wrong with one of their marine watermakers for your sailboat.

They make a range of different sailboat watermakers to suit different needs and sizes of boat, from hand-operated desalinators that can make 6 gallons a day to their largest system that produces 20,000 gallons of fresh drinking water per day.

The Newport 400c model operates on as little as 4 watts per liter, so you can run it on a small generator, solar, wind, or even just straight off the batteries. It’s a great option

The Spectra Connect system means you can operate and monitor your watermaker from a remote device, and it has lots of other clever features including a fill tank mode and suggested maintenance intervals.

You can choose the speed operation on this sailboat watermaker for maximum flow or maximum efficiency depending on your power management onboard. This is a great ‘all bells and whistles’ watermaker that takes the guesswork out.

#3 Spectra watermaker Ventura Series

As with the Newport 400c, Spectra ensure these watermakers are built to last and they have a really great reputation.

The Spectra watermaker Ventura series is designed to be energy-efficient and lightweight and is the perfect watermaker for smaller spaces.

It produces 24 litres an hour, which is less than the Rainman model but still enough for a couple living aboard a small sailboat if you’re conservative with water usage.

You can also opt for a warm water model that will produce slightly more water per hour and is the same size (but you’ll need to be sure your cruising area is only warm water!)

#4 The Ultra Whisper

The Ultra Whisper by Sea Recovery is one of the best watermakers out there for smaller boats, or boats not set up with adequate power to run one of the larger units.

It can run on either AC or DC and claims a 75% reduction in power consumption compared to the other products listed here. It’s also super quiet, which if you’ve run a watermaker before, is actually a huge bonus!

This is a small but perfectly formed piece of equipment that will enable you to make water with the smallest power setup, but obviously, on the downside, you won’t produce as much water so you’ll need to be careful with your consumption onboard.

Sea Recovery has more watermaker models on offer in a wide variety of size and capacity options. There’s even a really tiny version that measures only 2-3 cubic feet for sailboats that can’t compromise on space.

#5 Village Marine – Little Wonder series

Village Marine is another of the most popular marine watermaker brands and has a reputation for making reliable and efficient sailboat watermakers in a range of different models to suit different needs.

The Little Wonder series is one of the smallest (the reason for the name) and weighs only 69 pounds with the ability to produce 180 gallons of freshwater per day.

It has a low RPM high-pressure pump in a modular design, which means you can install it in different parts of the boat to maximise your space. This is really handy for smaller sailboats.

Installation is quick and easy, and a competent DIYer can do it. It is anti-corrosive and as a bonus, is also quiet to run!

This is one of the best watermakers on the market for smaller sailboats, and should last a long, long time.

#6 Village Marine – LW Watermaker Series for bigger boats

For anyone out there looking for a serious sailboat watermaker for a bigger boat, Village Marine has something suitable. The LW watermaker series caters to boats up to 100 feet in length.

This watermaker can produce up to 1800 gallons of freshwater a day, which is a crazy amount and will give you complete water independence on board.

It’s a much larger unit, obviously, so you’ll need to make sure you have space on board. It’s also a lot more expensive so it really is only suitable for larger boats and commercial vessels.

#7 Rainman Portable Sailboat Watermaker

Rainman make a portable watermaker that has many benefits over an installed version. it won’t suit all sailboats but it’s a great option to have for the following reasons.

• You don’t need to install the system. You can cut out a lot of the faff and make fresh drinking water within minutes of receiving the product.
• You don’t need any extra holes in your hull to use the watermaker.
• If you race your sailboat you can store the watermaker ashore to save on weight.
• It’s a great option for smaller sailboats as it can be moved to accommodate for extra guests.
• You can take it with you from boat to boat.
• You can share the watermaker and potentially the cost!
• You can use it for all your trips away from water supplies. Take it on road trips, fishing trips etc.

A portable sailboat watermaker might make a lot more sense for your needs, and it’s great to have the option to choose between the two. This watermaker comes with all the benefits of the Rainman installed version, so you can check out our Rainman review to help with your decision.

Conclusion for the best sailboat watermakers

If you’re in the market for a watermaker, we hope our review has helped you narrow down your choices. We believe that the best sailboat watermakers are those that are reliable, powerful enough for your needs, and easy to maintain. So if you’re looking for an efficient and durable watermaker, be sure to check out the options on this list.

If you’re looking for more liveaboard tips or want help with planning your move onto a boat then check out our ‘ How to run away to sea ‘ guidebook for everything you could possibly need to know about living on the ocean.

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Do You Need a Watermaker for Your Sailboat?

• By Jen Brett
• Updated: October 2, 2019

I remember, in the not too distant past, when having a watermaker aboard a cruising boat seemed to be the ultimate luxury. Plenty of sailors considered them too expensive and complicated. Fortunately times have changed. With improved technology and a range of price points on the market, now even average cruising boats of modest means carry a reverse-osmosis system. And really, is there anything that feels better after a day spent sailing and swimming than a hot shower? The freedom and security that come with full water tanks are also a nice bonus, particularly if you’re cruising in an area where fresh water is difficult to come by and pricey when you do.

Choosing a Watermaker

As with any major system, there are many factors to consider when you choose a watermaker. You’ll need to figure out your freshwater needs, the space you have available for the system and how you’re going to power it . Generally speaking, in a reverse-osmosis desalination system the raw water is run through a series of pre-filters, and then a high-pressure pump moves the water through one or more membrane housings. The wastewater, or brine, is released overboard and the product water goes into your water tanks.

Since all of the watermakers that are currently available for cruising sailboats use this process for desalination, the major differences between the systems are how you power the high-pressure pump and the user interface. Powering options include 120/220-volt AC, 12- or 24-volt DC and engine/belt driven. All have their pros and cons.

“The first question I ask a potential customer is ‘Will your boat have a ship’s generator?’” said Rich Boren of Cruise RO Water. “If they plan to have a generator, then the decision to go with a 120-volt high-output watermaker seems natural. While running the generator for battery charging and other loads two to three times per week, they can keep their water tanks full without having to make generator runs just to make water.”

A 12-volt system, such as the Spectra Catalina 300 Mk II or the Horizon Reverse Osmosis Seafari Quest, makes a lot of sense for smaller cruising boats since they don’t need a generator to run and have fairly miserly power consumption. On a breezy, sunny day, a solar panel and/or a wind generator will likely keep up with the demand. “The only difference between 12-volt DC low-output and 120-volt AC high-output watermakers is how the high-pressure pump brings seawater up to the 800 psi needed to drive fresh water through the reverse-osmosis membrane,” Boren said. “The membrane and support equipment, like pre-filtering and plumbing, are the same.”

These systems typically produce anywhere from about 6 to 16 gallons per hour, and some units can do so for about a 1-amp-per-gallon power draw.

“Many smaller sailboats, under 45 feet or so, often utilize solar panels,” said Berkeley Andrews of Parker Hannifin, which produces Sea Recovery, Horizon Reverse Osmosis and Village Marine watermaker systems. “Their entire electrical backbone consists of 12-volt or 24-volt. So they must have a watermaker that can operate on low voltage. These customers have limited amp hours on their batteries, so all of their equipment must be suited to handling this.”

In choosing a watermaker, Bill Edinger, owner of Spectra Watermakers, said to be realistic about water needs. “When helping customers decide which system is right for them, first we like to determine their approximate water usage with questions like ‘How many people are aboard normally? Are you going to be living on the boat full time? Do you have a washing machine? Any children? Are you going to be cruising full time or leaving the boat for extended periods?”

A common error people make is choosing a watermaker that is too small for their needs. “The most common mistake I see cruisers making in their watermaker purchase decision is underestimating how much water it will take them to cruise comfortably,” Boren says. “I’m not talking about the minimal amount of water it takes for the crew to stay alive, because there is a big difference between staying alive and comfort. Selecting a watermaker that will only meet their minimal drinking-water needs but not keep up with the comfort needs of the crew can lead to crew tensions and feeling like camping rather than cruising.”

Remember that “watermakers are rated in gallons of production in a 24-hour period,” Edinger said. “So a 300-gallon-per-day watermaker system sounds like a lot of water. The important thing is that it produces about 12 gallons per hour. Normally a system like this will be run three to four hours per day if power is not a critical issue, in this case producing 36 to 48 gallons of water. It’s better for a system to run for a few hours every few days than an hour every day.”

Watermakers for Small Boats

If space is at a premium, consider purchasing a modular system instead of an enclosed one. In a modular system, the components, such as the membranes and filters, can be mounted separately. Another power source for the high-pressure pump is the boat’s diesel engine. In these engine-driven setups , the pump and an additional pulley are mounted on a custom bracket next to the engine. The watermaker can then be run while motoring or using the engine to charge the batteries.

While engine-driven watermakers can produce a large amount of water, 20 or more gallons an hour on average, the downside is that the installation can be more complex than for other systems. “Unlike the 12-volt DC or 120-volt AC watermakers, where you simply bolt the high-pressure pump down and then run the wires and plumbing hoses, the hardest installation aspect of an engine-driven watermaker is finding space. Some boats simply have no room in the engine compartment to mount the 5-pound pump with a 7-inch pulley on the engine while still leaving access to other engine parts that need to remain serviceable,” Boren says.

A relative newcomer to the marine market, the portable watermaker is a good solution for cruisers who want the convenience of a watermaker but don’t want to permanently install one. The Rainman is one such system that is available as a self-contained unit driven by a gasoline-powered Honda motor, or as a 115-volt AC-powered unit. “The bulk of our gasoline-powered system customers are sailing yachts between 30 and 50 feet,” said Ron Schroeder of Rainman Desalination. “Our customers seem to prefer to have a simple and somewhat manual system over one that relies on control panels, software and solenoid valves. We are also attractive to those customers who have had bad experiences with the installation process of an installed system.”

The Spectra Passport is another portable system. Edinger said it has already proved popular with offshore race crews and cruisers who need a watermaker for only a limited time.

Maintenance for Watermakers

Watermakers have long had a reputation for being difficult to maintain, but the equipment has improved over the years and overall, routine maintenance isn’t more challenging than with other onboard systems. “The best rule of thumb is to operate the watermaker in water that looks good,” Andrews said. “There are a few factors in the feed-water condition that come into play. Operating a watermaker in dirty harbors will most certainly result in repeated pre-filter changes and a clogged sea strainer. If you have extra filters on board, you can get by, but it’s not recommended. The environment in the open ocean and remote anchorages is much better. Also consider how shallow the water is where you’re anchored. Sometimes there can be a lot of tidal movement, which can kick up fine particulate and sediment. This too can also contribute to more frequent filter changes and even damage other components. A nice option is an automatic freshwater flush, which will rinse the watermaker’s membrane element after use. It helps keep the membrane vessel housing free of any biological growth that could foul the membrane and reduce your ability to produce fresh water.”

Whatever system you choose, with proper use and maintenance you can expect years of service from your watermaker. And plenty of hot showers.

Jen Brett is a CW associate editor. This article first appeared in the February 2015 issue of Cruising World.

Aqua Marine: www.aquamarineinc.net

Blue Water Desalination: www.bluewa​terdesalination.com

Cruise RO: www.cruiserowaterandpower.com

Dometic Marine Sea Xchange: www.do​metic.com

ECHOTec: www.echotecwatermakers.com

FCI Watermakers: www.filtrationconcepts.com

Horizon Reverse Osmosis (HRO): www.hrosystems.com

Katadyn: www.katadyn.com

Rainman: www.rainmandesal.com

Sea Recovery: www.searecovery.com

Schenker Watermakers: www.schenkerwa​termakers.com

SK Watermakers: www.skwatermakers.net

Spectra Watermakers: www.spectrawater​makers.com

Village Marine Tec: www.villagemarine.com

Watermakers Inc.: www.watermakers.com

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5 of the best watermakers: From ERD to high pressure units

• February 28, 2023

When it comes to watermakers picking the best for you is crucial with a key decision being the type you go for an its energy usage.

Watermakers – technically known as desalination units – use a process called reverse osmosis (RO) to make drinking water. By forcing salty water at a high pressure against one side of an RO membrane, fresh water will slowly seep through, leaving the salt and bacteria behind. The output is notably devoid of minerals, but the taste can be a little strange at first.

There are two main types of watermaker. High-pressure pump watermakers are fast, but they aren’t the most energy- efficient way of creating clean water. They are usually tuned to produce 60 litres per hour or more but can draw upwards of 500W and while there are 12V versions, they typically use mains voltage pumps and are better suited to being run from a generator than a battery bank.

They’re designed to fill your tanks quickly so you don’t have to run the generator for long. Mechanically, they’re simple, and apart from the high-pressure pump there are no moving parts to go wrong.

The alternative method is a Clark pump watermaker, also known as an energy recovery device (ERD). This uses a fast-running but much lower-pressure pump which needs less power. To obtain the high pressure required, the pressure in the discharge water is harnessed by a couple of reciprocating pistons and used to boost the inlet pressure. It takes a few minutes to build up pressure and during that time the output is slow and not very clean.

Best watermaker: ERD units

Schenker Zen 30

I’ve yet to meet the owner of a Schenker Zen 30 who isn’t an evangelist for this machine. The Italian brand has been evolving its range since 1998 and offers a three-year warranty. Measure twice – the pump and membrane make up a bulky unit.

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Osmosea units

I love the design of the Osmosea units, which only have one moving part and are one of the cheapest ERD units out there, although reliability is poor, due to the materials used. Cheap second-hand ones are often available, so worth considering if you don’t mind doing a bit of engineering.

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Spectra Catalina

While not flawless, this has one of the best build qualities. You’ll find dealers in remote locations, but expect a hefty bill for parts and labour.

It’s a modular design which makes installation easier, but while none of the modules are huge, there are a lot of modules.

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Best watermaker: High pressure units

SeaWater Pro

SeaWater Pro grew out of a garage project using a pump from a Karcher K4 power washer and a garden hose timing unit, but they’ve come a long way since then. Their latest units now use stainless steel pumps which, unlike Karcher pumps, are designed specifically to propel saltwater.

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French brand Dessalator uses beautifully over-engineered pumps with a simple user interface control. Despite being a high-pressure system, they offer a couple of 12V versions, the smallest drawing around 30A and rated at 30 litres/hour. They are very pricey, but the only running costs for years will be pre-filters.

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