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01-26-2018, 04:58 PM
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#1
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Senior Member
Join Date: Apr 2017
Location: Las Cruces
Posts: 1,148
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More on noisy water pumps
Ok, so I read all the issues and solutions with water pumps. Being a bit stubborn I figured that the only good solution was to do an isolation mount for the pump. Wrong.
I finally opened up under the trailer where the water pump is and had the wife cycle faucets on and off.
Almost ALL of the noise was from the PEX water lines banging around.
So, put in a 1 ft loop of flex line between the pump and inlet/outlet lines. Now almost all the noise is gone. The pump is still mounted to the floor in the factory location. The rubber feet that the mfg puts on the pump seem to work very well.
Another one. Air in lines. The pump makes a little more noise when air is in the lines. Also recycles more often. Doesn't take much either.
Thanks to everyone who posted about this.
__________________
2017 Eagle HT 29.5BHOK (sold)
2017 Ford Powerstroke 6.7, Crew, 4x4 (sold)
2018 Toyota Highlander
Maggie, Old English Sheepdog
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01-26-2018, 05:13 PM
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#2
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Senior Member
Join Date: Apr 2015
Location: Michigan
Posts: 2,650
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Yes Jayco drops the ball on this one. If you read any water pump installiation instructions they all say don't use rigid piping (Pex, Copper, Etc.) to connect to the pump, will cause vibration and noise. What does cheap Jayco do, run Pex direct to the pump, I changed mine shortly after purchase.
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01-26-2018, 06:43 PM
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#3
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Senior Member
Join Date: Jun 2012
Location: West Chicago
Posts: 550
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Will try this, thanks
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2019 F250, gas, 4.30
2017 29RKS
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01-26-2018, 07:48 PM
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#4
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Senior Member
Join Date: Mar 2015
Location: Boise
Posts: 123
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Good information. On one of my prior Jayco TT I had to wrap the PEX pipes near the water pump with a thin layer of foam rubber to isolate them and keep them from banging around hitting walls and other PEX piping.
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2017 F150 3.5 Ecoboost, screw, Max Tow, Blue Ox Sway Pro, 2017 Jayco 24MBH
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01-26-2018, 08:12 PM
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#5
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Senior Member
Join Date: Jun 2017
Location: johnstown
Posts: 321
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x2 on the flex lines ! They are the most effective in quieting a noisy pump. Valterra makes a nice pump silencing kit that includes everything you need .
https://www.amazon.com/Valterra-P235.../dp/B004RCSM3E
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01-26-2018, 09:15 PM
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#6
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Senior Member
Join Date: Apr 2011
Location: ON
Posts: 831
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Sounds like another Saturday project for me. Flex lines.... Great idea.
Sent from my SM-G950W using Tapatalk
__________________
2015 Jayco WhiteHawk 28BHKS Summit Edition
2021 Ford F-150, 4x4, 3.5L Ecoboost, Max Tow
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01-27-2018, 06:55 AM
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#8
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Senior Member
Join Date: Apr 2017
Location: Las Cruces
Posts: 1,148
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I agree and may add one someday.
__________________
2017 Eagle HT 29.5BHOK (sold)
2017 Ford Powerstroke 6.7, Crew, 4x4 (sold)
2018 Toyota Highlander
Maggie, Old English Sheepdog
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01-27-2018, 07:15 AM
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#9
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Senior Member
Join Date: Jan 2011
Location: Vienna
Posts: 2,044
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Doesn't bother me at all. I only use it when I am winterizing which is not very often down here in the South.
__________________
Joe Hinson
2010 Jayco Quest G2(SOLD)
2014 Jayco Eagle 33.5RETS
2007 Ram 2500 5.9L Cummins(SOLD)
2015 Ram 2500 6.7L Cummins 4WD
:)
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01-27-2018, 07:27 AM
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#10
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Senior Member
Join Date: Dec 2012
Location: Southern Indiana
Posts: 3,203
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Quote:
Originally Posted by vcbice
So, put in a 1 ft loop of flex line between the pump and inlet/outlet lines. Now almost all the noise is gone. The pump is still mounted to the floor in the factory location. The rubber feet that the mfg puts on the pump seem to work very well.
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Could you post a picture of this setup?
__________________
2012 Eagle 320 RLDS
2017 Ford F-250 FX4 Crew STX 6.2l
3.73 E-locker
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01-27-2018, 08:41 AM
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#11
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Senior Member
Join Date: Jul 2017
Location: Muskegon
Posts: 804
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Oh, great. Another upgrade to put on my to-do list.
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01-27-2018, 02:25 PM
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#12
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Senior Member
Join Date: May 2016
Location: Muskoka ON
Posts: 155
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I changed the Shurflo 2088 pump to a 4008 along with the silencing kit and it made a big difference. I also added a foam pad under the new pump and pipe insulation on the pex lines that contacted anything in the trailer.
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01-28-2018, 04:30 PM
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#13
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Senior Member
Join Date: Apr 2017
Location: Las Cruces
Posts: 1,148
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FWIW, I've added some insulation to a bunch of the pipes/stuff under there. In that area of my fifth wheel (just behind the command center) there are hot and cold water for external shower, water lines going up to the inside shower, shore water line, 50A power cord, gas line that goes to furnace and a bunch of wiring. Very busy little area.
If I was inclined to do so I'd redo the water lines and move the water pump away from that mess.
PS turned out some of the noise was from the gas line resting on the water line. Both vibrated.
__________________
2017 Eagle HT 29.5BHOK (sold)
2017 Ford Powerstroke 6.7, Crew, 4x4 (sold)
2018 Toyota Highlander
Maggie, Old English Sheepdog
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