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Old 11-07-2013, 04:54 PM   #11
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Your pump sounds as though it is functioning properly, even the stop and go (it's a demand pump). Typically, the pump is connected to the hard water lines and when it comes on the vibration is amplified throughout the camper. Installing a flexible water hose between the hard lines on and the pump (usually with a loop) will aleviate the issue to a certain degree. Should be quiet enough to tollerate. This action did take care of my hammering issue. Good luck
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Old 11-07-2013, 06:42 PM   #12
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If it happens on only one faucet the problem may be the faucet itself. Does it do it on city water? I know that older style faucets with loose washers can cause hammering. You may not have washers but something else may be loose in the faucet itself.
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Old 11-07-2013, 06:47 PM   #13
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My brother installed this one on his 5w and it works good.

Shurflo Accumulator Tank - Shurflo 182-200 - Fresh Water Pumps - Camping World
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Old 11-07-2013, 07:55 PM   #14
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It's a demand pump and the pump will run till back pressure increases then shuts off. When back pressure is relieved the pump will again run. setting the faucet to a low flow state will cause the pump to cycle at sometimes a rapid pulse. You say it runs continuous with high flow set at the faucet. Sounds ok to me. One point; turning your pump on with all faucets off is a good way to check for leaks in the system. Just saying. Oh yeah, pull you aerator and check for cloging.
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Old 11-07-2013, 08:23 PM   #15
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If it happens on only one faucet the problem may be the faucet itself. Does it do it on city water?
Good questions. Is it just one faucet or all of them? And, does it do it on city water? i.e., is it the pump, the water lines or faucet?
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Old 11-07-2013, 08:49 PM   #16
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I've had this same problem for a few years now trying the mouse pad base, pump silencers, padded the water lines from the filter/pump area etc,. and this is why we stayed since at water/electric sites because of the hammering below our bed. Camping World has a sale on a Flojet water pump which I purchased because of all the good reviews(Sensor VSD 4.5 gpm). We stayed away from electric only sites because of the noise but I'm installing this pump next spring. Kind of pricey but should be worth it. I'll give it a review in the future threads.
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Old 11-07-2013, 11:14 PM   #17
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I may try hooking to city water and see if the problem persists. I have a feeling its the pump doing what its supposed to do and Ill have to live with it...
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Old 11-08-2013, 09:01 AM   #18
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If it does it on one faucet only as you said, I don't see how it can be the pump.
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Old 11-08-2013, 03:47 PM   #19
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If it does it on one faucet only as you said, I don't see how it can be the pump.

the sink is close to the pump and gets the full force of no pressure or back flow pressure very quickly. Hence the rapid on and off. the other faucets are farther away and the pressure because of the distance changes the action of the pump and out flow from the faucet. the kit sink may have a different aerator that also comes into play.
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Old 11-08-2013, 04:12 PM   #20
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I had to isolate some of the water lines by putting pipe insulation on the pex lines where they were hammering on each other or going through the run in the walls. It did quiet them down.
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