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Old 05-18-2021, 10:52 AM   #1
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Quiet water pump, fresh water bladder

Going to take a trip to southern Utah in September and do some boondocking. Looking for recommendations for a fresh water bladder to haul water. Also want to replace the 12 volt Flojet 03526144 water pump with a quieter one. This one is very noisy. I will this one use it to transfer water from bladder to holding tank. Appeciate any suggestions.
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Old 05-18-2021, 11:18 AM   #2
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M.O.C. #20477

Shurflo pumps are a little quieter. There are also kits to help quiet.
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Old 05-18-2021, 11:51 AM   #3
Dave W
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M.O.C. #14547
Not don't think a ShurFlo water pump is much quieter then any other impeller type. Ours has a Shurflo and I have to say that it isn't very quiet. No idea if a diaphragm type would be quieter.

On our last 5er I mounted the pump on a separate board, contact cemented a 1/2" layer of rubber (neoprene actually) then screwed it to the floor through the board, isolating the pump mounting tabs. Made a little difference. I did the same with the converter/charger to reduce fan vibration.
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Old 05-18-2021, 07:18 PM   #4
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Also, I have read that a lot of noise travels thru the hoses. So there are some things that reduce this - I think some more flexible hoses so they don't conduct as well. Look around for this.
And as others mentioned you can mount it on something soft - have seen people that used mouse pads!!!

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Old 05-19-2021, 05:36 AM   #5
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I purchased a bladder tank through Amazon for this very purpose. I also bought a 12 volt pump to pump fresh water into the rig. Here's the bladder
and the pump
I can refill my tank in just a few minutes with 30 gallons of water.
Robert & Diana McNeal
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Old 05-19-2021, 07:14 AM   #6
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ShurFlow Revolution: much quieter

FYI, I just replaced the factory Flojet (3 chamber diaphragm ) pump with a new Shurflo (4 chamber diaphragm ), so much quieter and now we are not feeling the need for an accumulator tank (pump triggers much less often). The 3 chamber diaphragm pumps are all very similar among the various water pump manufacturers (Shurflo/Flojet/etc.) but this newer 4 chamber seems to make a large difference in noise/vibration.

Amazon: SHURFLO 4008-101-E65 3.0 Revolution

"A Revolution in 12 VDC RV Water Pumps

The design for SHURflo's Revolution, 3 GPM, 55 PSI Fresh Water Pump revolves around its unique one-piece diaphragm and internal by-pass. Together this assures long life and top performance in RV and trailer based plumbing systems in which it is installed. The SHURflo's Revolution pump is also a mini powerhouse, delivering three gallons of water per minute to onboard sinks, toilets, showers and more at up to 55 PSI, while requiring only a reasonable power draw of 7.5 Amps from an onboard 12 VDC power source. Conveniently, it can be mounted in any position, is thermally protected, can run dry without damage and utilizes patent pending Flow Reaction Technology to reduce noise, vibration and excessive pump cycling."
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