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Old 10-27-2014, 12:01 AM   #41
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Many years ago there was a marine pump company named Crowell (I think).
They made a strange accumulator tank that used the rubber bladder from a football as the air reservoir. If the bladder went flat you'd take the tank apart, inflate it with a needle, and reassemble the tank. It was a miserable thing.
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Old 10-27-2014, 10:39 PM   #42
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What are people's thoughts about the use of an accumulator tank and a variable speed water pump? Manufacturers like Jabsco say that "no accumulator tank is needed". But does it hurt to have one?
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Old 10-27-2014, 11:03 PM   #43
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"But does it hurt to have one?"
We had a lot of returns on the early variable speed pumps until we figured out that accumulator tanks, left in the system, seem to confuse them. I can't remember exactly what it caused the pumps to do but people were unhappy until they removed the tank.

You really don't need one so take out the tank and enjoy the extra space for beer storage. If you're happy with the tank, don't spend the extra money for a variable speed or by-pass pump.
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Old 10-28-2014, 08:21 AM   #44
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Quote:
Originally Posted by Shoalwaters View Post
Larry, I got lucky. I found a replacement membrane locally - about $30.00.
You sure did! What a score.
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Old 02-04-2015, 05:43 PM   #45
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Reviving a semi-dead thread...


Parks, what is your take on the Mate-USA/Marco pumps?
10.6 GPM Water Pressure System - Water Pressure Systems - Products - Mate USA
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Old 02-04-2015, 06:40 PM   #46
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Hi Peter, I've never seen those pumps. I like gear pumps.

Those look a lot like the ones that Reverso imports from Italy to sell as oil change pumps. The Reverso pumps are very reliable.

I'd bet the basic pump is good but I don't know how reliable the electronics are.

I had a Fiat one time. The Italians know less about electricity than the British! It sure is a pretty pump.
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Old 02-04-2015, 06:48 PM   #47
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I may bite the bullet and give it a try. The pump is much quieter than the Flo-jet currently onboard (well, the display was...)

Report later when I have more info....
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Old 02-04-2015, 07:36 PM   #48
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I'll be interested in how that works for you, Peter. I noticed the gears are PTFE...interesting.

I have a diaphram pump that's been very reliable, but noisy. Now that I installed the new accumulator from HopCar, it runs less often. It's amazing what a properly operating accumulator can do.
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Old 02-04-2015, 07:41 PM   #49
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We looked at them when we were replacing our current, but ended up with the Mach 5.

Let me know how it goes, might get one to replace the now back up jabsco.
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Old 02-06-2015, 06:54 AM   #50
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I would care 10X as much about installing the largest tank anywhere in the system , rather than the tanks location.

While you are trashing about in the bilge , lead a wire up to the galley from the FW pump , so you can see it operate with a small light..

Easier than listening when the engine is on,to be sure you are not pumping your drinking water into the bilge.
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