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Old 03-15-2015, 06:18 PM   #1
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Lookin to upgrade my water pump

I would like to upgrade the original Shurflo 2.8GPM water pump. Tired of the cycling and noise this pump makes. Anyone have any suggestions, I'm not afraid to spend a little money.
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Old 03-15-2015, 06:24 PM   #2
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I would have to think if the pump is cycling it is meeting demands, that is it reaches the flow requested and shuts off until it demands more. As far as noise I don't know other pumps may be better or not but two simple things I could think of would be this.
Place a product such as dynamat on the compartment walls, it acts like insulation to kill the noise. Second, try rubber washers under the connection points to the floor, this will dampen vibration and the noise it causes.
Hope it helps.


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Old 03-15-2015, 06:33 PM   #3
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I put a old computer mouse pad under my water pump. Worked well to keep the vibrating noise to a minimum. Like was said above, you could also sound insulate the compartment walls.
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Old 03-15-2015, 06:39 PM   #4
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Originally Posted by Enaud-c View Post
I would like to upgrade the original Shurflo 2.8GPM water pump. Tired of the cycling and noise this pump makes. Anyone have any suggestions, I'm not afraid to spend a little money.
Looks like you have a 31' Rockwood,?year but if fairly new pump with a little isolation mat should be Quite. Put in a (5gal) bladder tank and you will be Good to Go! Youroo!!
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Old 03-15-2015, 06:57 PM   #5
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The correct way to size a water pump is to count the fixtures and then buy one that is the correct size and gals per minute you are looking for. The other way to quite them down is to install isolators under the four feet on the unit. To stop cycling so much you would want to add a 5 gal or so expansion tank, cheap and easy to do. Think of it as a well. I had to add a 35 gal expansion tank to my home well to stop the cycling, pumps are made to cycle so many times a minute or hour depending on the use.....West Marine has a good chart for sizing water pumps. You can also change it out for a belt driven unit, you will not even hear it come on.....
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Old 03-15-2015, 07:37 PM   #6
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To answer the OP's question, I would replace it with the Ultra Quiet Shurflo Motorhome Water Pump 3 GPM 55 PSI RV Demand Pump.

Shurflo Revolution Water Pump - 3 Gpm - 55 Psi - Super Quiet-pplmotorhomes.com
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Old 03-15-2015, 07:50 PM   #7
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And put a foam mat under that during install.


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Old 03-15-2015, 07:53 PM   #8
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And put a foam mat under that during install.
And make sure you don't let the hold down screws touch anything but rubber. I always put a flat washer under the head of the screws to get the full benefit of the rubber grommets in the mounts. It helps if you have flexible tubing on the inlet and outlet ports if possible.
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Old 03-16-2015, 09:22 PM   #9
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I ordered the Shurflo, thanks Old Coot. When I install it I will be using all the little tricks, rubber mats, longer hoses, insulation. Will post results in a couple weeks.
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Old 03-16-2015, 09:35 PM   #10
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I ordered the Shurflo, thanks Old Coot. When I install it I will be using all the little tricks, rubber mats, longer hoses, insulation. Will post results in a couple weeks.
Yes and the isolation of the pump from direct connection to your hard lines (use flex line tubing as you indicated) will quiet it right down.
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