Thanks a lot.
Merry Christmas!


On Dec 23, 2016 12:47 PM, "David Wallace svairops@... [amelyachtowners]" <amelyachtowners@...> wrote:


CAT pumps in the 240 and 270 series are appropriate for the high pressure pump but I bought a similar pump from General Pump: part number WM4215S. It’s a plunger pump that can deliver 4.2 gl/min and has stainless steel components. Mine is belt driven off the engine with a 12v clutch but they can also be directly coupled to an electric motor.

My pressure vessels (I have two which is why the system can make 35 gl/hr) are from Hydrocomponents and Technologies, Inc, HCTI: model number 2540SW.

Good luck!

Dave Wallace
sv Air Ops
Maramu #104
Sea of Cortez, Mx

On Dec 22, 2016, at 6:33 PM, Vladimir Sonsev sonsev52@... [amelyachtowners] <> wrote:


I plan to use DESSALATOR components if I can. If some components are no good, I plan to substitute them with commercial items. Spare parts from DESSALATOR are expensive. Most likely my watermaker will be manually controlled. 

Can you give me the manufacturer and part number for high pressure pump/motor, and housing for membranes that you used.

Thank you and Bill for your good advise.

SM # 345

On Dec 22, 2016 6:57 PM, "David Wallace svairops@... [amelyachtowners]" <> wrote:

Oops, should have read all my emails first. I see Vladimir has a good solution, best of luck!

Dave Wallace
sv Air Ops
Maramu #104
Sea of Cortez, Mx

On Dec 22, 2016, at 3:50 PM, Dave Wallace <svairops@...> wrote:


I second Bill’s suggestion to build your own. Our Maramu had no water maker so I went that route. Manual controls, 35 gallons/hr, total cost about $2600. They are really quite simple if you don’t need automated functions.

Dave Wallace
sv Air Ops
Maramu #104
Sea of Cortez, Mx

On Dec 21, 2016, at 2:52 PM, 'Bill & Judy Rouse' yahoogroups@... [amelyachtowners] <> wrote:


If you are going to not rebuild the Dessalator, maybe you should consider using some of your existing generic parts from the Dessalator system such as the low pressure pump, membrane tubes and end caps.

If I were you, I wouldn't rely on any watermaker company, but I would build a system with a new high pressure pump from CAT, a generic 220VAC 50htz motor, some manual valves and pressure gauges and use the membrane tubes and low pressure pump from the Dessalator system.

I am sure that you can find the specifications that you need on-line. The entire system us simple. Apply the correct vessel pressure and you get pure water. There is really no need for electric valves and PCBs.

And BTW, I am mostly sure that the reason Dessalator suggested a new PCB Control Board is because your board was made wrong by the Dessalator subcontractor and really does not sense water quality. The quality sense scheme is a fake on all boards up to about 2010. Also, I believe that the reason that they suggested a new control panel is that the pressure valve they used on yours is not really the quality necessary for saltwater. It will suffer from corrosion...use CorrosionX liberally on the outside if this valve. Oh, and many of us had white end caps which were made of inferior material...another Dessalator error. These are common Dessalator errors that most of us have paid for.

I hope this helps you to make a decision.

Bill Rouse
BeBe Amel 53 #387
Sent from my tablet
+1832-380-4970 USA Voice Mail

On Dec 21, 2016 6:13 PM, "Vladimir Sonsev sonsev52@... [amelyachtowners]" <> wrote:

Hi Steve,

Thanks for your advise. I will definitely consider Electromax. It looks and sound good. Probubly Canadian company AC motor is designed for 60 Hz AC. Amel generator make 50 Hz AC.  Did Electromax give you 50 Hz motor?

SM #345

On Dec 21, 2016 12:51 PM, "Stephen Davis flyboyscd@... [amelyachtowners]" <> wrote:

Hi Vladimir,

When I purchased my 1992 SM, it had the original watermaker in non working condition. It was going to be very expensive to repair, and I wanted higher capacity, so I decided to replace it with a different model. My criteria in selection were at least 30gph, built with mostly off the shelf and readily available components, and a reasonable purchase price. After considerable research, I purchased a watermaker from Electromax in Canada. I purchased it at the 2014 Annapolis boat show for $4600 delivered to my door in Florida. It is rated at 30gph, and built with non proprietary parts. Unlike the DESSALATOR, most functions are manual, and there is very little to go wrong. I do have the optional automatic solenoid valve installed which allows me to flush the membrane when we are not on the boat The kit arrived with plumbing fittings, hoses, filters, control panel, high pressure pump, low pressure pump, and the membrane. The process of ripping out the old system, and installing the new took me about a day and half. I was able to put the new control panel in the same place as the old with some simple modifications. Also, I've had great technical support from Electromax on the phone when needed.

We started using the watermaker last season when we reached the Caribbean, and have made about 1500 gallons to date with no issues. With the salinity and water temperature in this area, we seem to output between 32 to 34 gph, even though it's rated at 30gph. To each his own, but I greatly prefer a simple manual design with very little to go wrong, and components which are easy to find in most parts of the world.

Let me know if you need more info or pictures, and I'd be happy to help. Good luck on getting it figured out.

Steve Davis
Aloha SM72

On Wed, Dec 21, 2016 at 11:49 AM, sonsev52@... [amelyachtowners] <> wrote:

I have bought my 2002 Amel SM one year ago. Previous owner told me that the watermaker does not work. He told me that watermaker turns off in less than a minute after it turned on. Previous owner left on the boat a spare set of filters and membranes for DESSALATOR.
Watermaker repairman it Trinidad told me that I have to rebuild high pressure pump, check motors and probubly replace electronic control board.
I removed the pump with two motors. Both motors run fine without load. I have no reason to suspect a motor problem. I disassembled pump. As I expected all seals must be replaced. In addition I discovered that all 4 valves have to be replased because valve seats are deeply pitted. The plunger did not look good. DESSALATOR contact person recommended to replace pump head for € 875.00.
She also told me that watermaker control board and panel are outdated and replacement cost €1,812.00. She told me that probubly membrane housing end plates must be replaced because my watermaker was not running for long time. She recommended me to buy new DUO 60 watermaker for € 9,184.00.
I wonder what is good replacement for original watermaker? Should I stay with DESSALATOR brand or there are better and less expensive replacements? Please give me advise. 
If someone have replaced original DESSALATOR watermaker and saved DESSALATOR parts, I probubly buy old control board, controlle panel ,pump and other parts.


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