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04-24-2010, 01:57 PM
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#1
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Montana Master
Join Date: Jul 2006
Location: K.C.
Posts: 11,731
M.O.C. #5980
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Check valve replacement or repair; water heater
This is a slide-show showing repair or replacement of a check valve.
I had plastic trash clogging it, some from a plastic bag, some from the same hard rubber as the faucet spout attachment. I know it didn't come from there, but a washer?? or something.
Just let the water pressure release, drain some from the water heater, and you have little mess.
http://s112.photobucket.com/albums/n...t=eec8b710.pbw
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04-24-2010, 05:54 PM
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#2
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Montana Master
Join Date: Sep 2006
Location: anywhere
Posts: 912
M.O.C. #6260
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Did the same thing last summer, had the same described trash, finally figured out it was the rubber seat in the back flow valve. Rubber should not be that close to hot water. Anyway I removed the backflow preventer, have had no problems and better water flow.
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04-29-2010, 05:15 PM
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#3
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Montana Master
Join Date: Nov 2002
Location: Oceanside
Posts: 20,028
M.O.C. #20
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What is the downside of removing the backflow preventer?
We've replaced ours in both this and the prior Montana when our hot water flow just stopped. Both times it was this check valve causing the problem.
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04-30-2010, 02:20 AM
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#4
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Montana Master
Join Date: Jul 2006
Location: K.C.
Posts: 11,731
M.O.C. #5980
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Water would migrate back wards, it will temper the cold water, your heater will run more, and the water will not be as hot. They put it in for a reason, if it would be better out, they would leave it out.
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04-30-2010, 05:15 PM
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#5
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Established Member
Join Date: Mar 2010
Location: Tucson
Posts: 44
M.O.C. #10200
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When I winterize, I open the water heater bypass valve, drain the water heater, and fill the system with the RV antifreeze. Wouldn’t removing the valve allow the antifreeze to flow back into the water heater?
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04-30-2010, 07:18 PM
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#6
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Montana Master
Join Date: Nov 2003
Location: Santa Fe Springs
Posts: 4,189
M.O.C. #639
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Ozz can the backflow devise be installed a bit farther from the heat of the water heater to prevent that from happening again.
__________________
Pulling a 2004, 2980 RL an oldie but goodie.
Tow vehicle is a 2009 RED RAM 3500 DRW.
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05-01-2010, 01:26 AM
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#7
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Montana Master
Join Date: Jul 2006
Location: K.C.
Posts: 11,731
M.O.C. #5980
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Quote:
quote:Originally posted by Trailer Trash 2
Ozz can the backflow devise be installed a bit farther from the heat of the water heater to prevent that from happening again.
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It is a restriction, and any 'junk' in the system gets caught in there, no matter where it is inserted.
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06-06-2011, 05:26 AM
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#8
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Seasoned Camper
Join Date: May 2011
Location: Milwaukie
Posts: 78
M.O.C. #11424
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I need to replace my check valve/backflow preventer. Where can I order one ? Attwood ?
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06-06-2011, 11:09 AM
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#9
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Montana Master
Join Date: Feb 2005
Location: Sioux Falls
Posts: 729
M.O.C. #3206
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Our valve was removed 3 years ago- We can't winterize now so we just go south for the winter as most fulltimers do- Excuse my attempt at humor but I couldn't resist- JHMO- Don
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06-06-2011, 12:40 PM
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#10
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Montana Master
Join Date: Jul 2006
Location: K.C.
Posts: 11,731
M.O.C. #5980
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Quote:
quote:Originally posted by MBeaubien
I need to replace my check valve/backflow preventer. Where can I order one ? Attwood ?
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There are different types, as soon as you let me know which one you have, I will let you know the price and availability. They are inexpensive.
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06-06-2011, 01:38 PM
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#11
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Montana Fan
Join Date: Nov 2005
Location: Evans
Posts: 188
M.O.C. #4977
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Mike
You should be able to find what you need here for your water heater check valve. http://www.iplumb.tv/ I just bought a couple spares for myself. Scroll down to brass flares. Al
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06-06-2011, 02:28 PM
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#12
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Montana Master
Join Date: Jul 2006
Location: K.C.
Posts: 11,731
M.O.C. #5980
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It isn't a flare, but it is brass, it is male-male. I P/M'd Mike.
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06-06-2011, 05:53 PM
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#13
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Montana Fan
Join Date: Nov 2005
Location: Evans
Posts: 188
M.O.C. #4977
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Ozz
I know its not a flare thats just where that company had them listed. Al
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06-07-2011, 01:48 AM
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#14
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Montana Master
Join Date: Jul 2006
Location: K.C.
Posts: 11,731
M.O.C. #5980
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Quote:
quote:Originally posted by BigAl52
Ozz
I know its not a flare thats just where that company had them listed. Al
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Sorry Al, my bad. I understand.
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06-07-2011, 02:25 PM
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#15
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Seasoned Camper
Join Date: May 2011
Location: Milwaukie
Posts: 78
M.O.C. #11424
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Quote:
quote:Originally posted by BigAl52
Mike
You should be able to find what you need here for your water heater check valve. http://www.iplumb.tv/ I just bought a couple spares for myself. Scroll down to brass flares. Al
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Is this the correct one ?
04914: BRASS CHECK VALVE 1/2MPT X 1/2
Thanks !
Mike
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06-07-2011, 02:54 PM
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#16
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Montana Master
Join Date: Jul 2006
Location: K.C.
Posts: 11,731
M.O.C. #5980
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Quote:
quote:Originally posted by MBeaubien
Quote:
quote:Originally posted by BigAl52
Mike
You should be able to find what you need here for your water heater check valve. http://www.iplumb.tv/ I just bought a couple spares for myself. Scroll down to brass flares. Al
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Is this the correct one ?
04914: BRASS CHECK VALVE 1/2MPT X 1/2
Thanks !
Mike
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I think it is Mike, my supplier is 30 days out on the backorder
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06-08-2011, 01:22 PM
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#17
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Seasoned Camper
Join Date: May 2011
Location: Milwaukie
Posts: 78
M.O.C. #11424
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[quote]quote: Originally posted by Ozz
[quote] Originally posted by MBeaubien
Quote:
Originally posted by BigAl52
Mike
You should be able to find what you need here for your water heater check valve. http://www.iplumb.tv/ I just bought a couple spares for myself. Scroll down to brass flares. Al
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Is this the correct one ?
04914: BRASS CHECK VALVE 1/2MPT X 1/2
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06-08-2011, 02:16 PM
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#18
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Montana Master
Join Date: Jul 2006
Location: K.C.
Posts: 11,731
M.O.C. #5980
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It is the same as mine, as far as I can tell, I think it will be fine to use. Put 3 wraps of Teflon tape on each end, do not get the tape inside the opening.
You will do fine, I had to use a small pipe wrench with a cheater on it for leverage, they are in there tight.
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06-08-2011, 02:22 PM
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#19
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Seasoned Camper
Join Date: May 2011
Location: Milwaukie
Posts: 78
M.O.C. #11424
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Thanks I'll order one and if it works I'll order a couple spares.
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01-25-2012, 04:00 PM
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#20
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Montana Fan
Join Date: Dec 2011
Location: Livingston
Posts: 350
M.O.C. #12009
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Quote:
quote:Originally posted by Ozz
This is a slide-show showing repair or replacement of a check valve.
I had plastic trash clogging it, some from a plastic bag, some from the same hard rubber as the faucet spout attachment. I know it didn't come from there, but a washer?? or something.
Just let the water pressure release, drain some from the water heater, and you have little mess.
http://s112.photobucket.com/albums/n...t=eec8b710.pbw
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Thanks for the slide show so i guess you reused it. If I can't what if i put in a standard plummers swing check valve.
Thanks again
__________________
2014 3850FL
2008 F350 SRW
David and Liz
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