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02-11-2012, 02:21 PM
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#1
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Montana Master
Join Date: Dec 2002
Location: Rapid City
Posts: 739
M.O.C. #77
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Water Hammer
Until today, my rig sounded like a jack-hammer was in the basement every time I used the on-board water pump. I tried extra loops in the lines, using pipe insulation on the lines, taping lines together...nothing stopped the hammering.
Today, I put in an accumulator (from Camping World). Wow! What a difference. Now I can barely hear the pump. My water pressure appears to have increased (actually, it is just smoothed out with no pulses) and the shower works better than it ever has. Wish I had done this 3 years ago when I bought the unit and other MOCers were talking about accumulators. 
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02-11-2012, 03:55 PM
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#2
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Montana Master
Join Date: Jun 2010
Location: Colorado Springs
Posts: 3,335
M.O.C. #10496
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A valuable post Brad! I'd like to minimize the noise that's created when the pump runs and this sounds like a good tip.
__________________
2010 3150RL
LevelUp, Dual 6 volt batteries, Progressive Industries EMS HW50C, Honda EU2000i Generator, Bridgestone Duravis R250 tires, Torklift Glowstep Revolution Stairs, LED Tail lights
2015 RAM 3500 Laramie SRW LB CC Cummins 6.7L Aisin Trans B&W RVK3600
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02-11-2012, 04:22 PM
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#3
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Site Team
Join Date: Jun 2011
Location: Wilsey
Posts: 18,799
M.O.C. #11455
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I guess I'll be looking into one of those also. Thanks for the post!
__________________
Dick, Joyce, Diego, Picatso and Gustav
2017 3720 RL, and 2013 HC 343RL
Pullrite Hitch, IS, Disk Brakes, 3rd AC, Winegard Traveler, Bathroom door mod, Dometic 320, couch for desk swap, replaced chairs, sun screens, added awnings, etc.
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02-12-2012, 01:54 AM
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#4
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Montana Fan
Join Date: Apr 2011
Location: sussex
Posts: 118
M.O.C. #11349
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Whats a accumulator { Awhole new and different pump } or some kind of add on.
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02-12-2012, 02:37 AM
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#5
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Montana Master
Join Date: Feb 2012
Location: Lake Gaston
Posts: 8,773
M.O.C. #12156
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Installs in-line as separate device
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Mike and Lorraine
2002 3655 FL, 2005 3650RK
2010 3665RE, 2015 3910FB
F350 crew cab dually 6.7
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02-12-2012, 05:29 AM
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#6
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Montana Master
Join Date: Nov 2002
Location: Oceanside
Posts: 20,028
M.O.C. #20
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Brad, how is the accumulator installed? Close to the pump or anywhere in the pump output line? Bolts to the floor? Obviously I'm not familiar with these other than the term. Thanks.
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02-13-2012, 05:02 AM
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#7
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Montana Master
Join Date: Sep 2010
Location: Hollister
Posts: 1,043
M.O.C. #10764
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Which one did you put in? There is a 2-gallon model and a small one.
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02-13-2012, 07:10 AM
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#8
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Montana Fan
Join Date: Mar 2005
Location: Highlands Ranch
Posts: 464
M.O.C. #3477
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02-15-2012, 07:55 AM
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#9
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Montana Master
Join Date: Dec 2003
Location: Colorado Springs
Posts: 578
M.O.C. #718
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OK I had this in the wrong topic and found this one:
have looked at the one at CW and some others on line about $40. also the DIY one to build, also at LOWES have one a steel tank about $45 for hot water is there and diffrence? also never thought about one on the Hot water tank is it needed?
Thanks
Bob
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02-21-2012, 05:40 PM
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#10
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Montana Master
Join Date: Dec 2002
Location: Rapid City
Posts: 739
M.O.C. #77
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I put in the small one (about 4.5" X 8") and set the internal pressure at 30PSI. I have an upgraded FloJet 5.7 GPH pump which uses a wobble plate pumping system. I mounted the accumulator directly to the output of the pump, right behind the furnace. I did leave the mouse pad under the pump and left all the pipe insulation in place.
I just spent 5 days boondocking in Lake Havasu City to watch the Western Pyrotechnics Association do their big annual demonstrations. I know the pump was running when I opened a faucet because I had water pressure but if a nearby RV had a generator running I could not hear the pump.
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02-22-2012, 02:34 AM
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#11
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Montana Fan
Join Date: Feb 2012
Location: Homosassa
Posts: 307
M.O.C. #12211
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I'll have to add this to my wish list.
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03-23-2012, 06:53 AM
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#12
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Seasoned Camper
Join Date: Oct 2009
Location: Gatineau
Posts: 98
M.O.C. #9851
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Brad this is great. I was not aware this existed. When I open my faucets the pump kicks in and the water does not come out at one constant pressure. By putting this accumulater in place the pressure should be constant. I have just one question, did you have to replace/upgrade your pump or did you do want to upgrade it?
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03-23-2012, 03:51 PM
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#13
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Montana Master
Join Date: May 2011
Location: Fayetteville
Posts: 4,200
M.O.C. #11401
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Good post, more work ahead. Larry
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Linear Mode
