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Old 04-14-2013, 08:22 PM   #1
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water pump vibrates

I have a 1999 rv with a shur flo diaphragm pump which is probably the original one. it recently started to vibrate all the plumbing hoses when using water.

should I replace or is there anything else I can do
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Old 04-15-2013, 07:16 AM   #2
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Shurflo makes a silencer kit.

Isolating the pump from the hard PEX tubing with soft flexible hose will help.
Mounting the pump with a thick mouse pad or soft rubber pad will also help.

SHURflo Pump Silencer Kit - Hypro-shurflo Llc 94-591-01 - Fresh Water Pumps - Camping World
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Old 04-15-2013, 08:00 AM   #3
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That silencer kit is worth the $$.... but if you don't want to spend all the $$ - we added the accumulator first (before they offered a kit) and that help eliminate 90% of the banging.
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Old 04-15-2013, 08:16 AM   #4
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Mount the pump on a board with vibration isolation dampers in the board like these. You have to isolate the pump from the floor. Isolate It!: Sorbothane Vibration Isolation Bushing 50 Duro (.25" ID - 1" OD - .6" Deep) - 12 Pack - Amazon.com
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Old 04-15-2013, 08:40 AM   #5
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Quote:
Originally Posted by allphase View Post
I have a 1999 rv with a shur flo diaphragm pump which is probably the original one. it recently started to vibrate all the plumbing hoses when using water.

should I replace or is there anything else I can do
My question would be what caused it to start vibrating? Was it quite before and now makes noise?
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Old 04-15-2013, 10:59 AM   #6
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it was quiet before
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