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07-29-2010, 04:50 PM
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#1
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Montana Master
Join Date: Apr 2005
Location: Tonawanda
Posts: 551
M.O.C. #3662
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No hot water pressure
I have no water coming out from the hot water side.I assume it is a blockage from a check valve.My question is do I disconnect the water line on the top or the bottom of the hot water tank to check the valve for blockage or anywhere else? I've tried all the faucets and no water so I assume the blockage is at the beginning.Has anybody had this happen to them?
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07-29-2010, 05:40 PM
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#2
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Montana Master
Join Date: Sep 2006
Location: Casa Grande
Posts: 5,369
M.O.C. #6333
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I just changed my HW backflow valve because of the same problem. The valve is the one on the top. I had to go to a RV parts store to find a replacement. I bought two and now have a spare. Be careful taking the plastic fitting off as there is a cone washer that may be destroyed. I had to buy new cone washers also.....To check that this is the problem, I took the guts out of the valve and reinstalled it and the water flowed, hence I changed the valve out.......The hardest part was getting the false panel out of the HW heater compartment. Of course with your model, I don't know how you access the HW heater. Should be an easy replacement.....
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07-29-2010, 05:57 PM
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#3
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Montana Master
Join Date: Nov 2002
Location: Midlothian
Posts: 956
M.O.C. #40
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I bought a brass check valve at Lowes and installed it and did away with the plastic one that comes with the RV.
I also had to get a brass close nipple since the new one is female and the one that I removed was male. This one will last the life of the unit and it has a cleanout in the top.
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07-30-2010, 12:48 AM
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#4
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Montana Master
Join Date: Apr 2005
Location: Tonawanda
Posts: 551
M.O.C. #3662
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Thanks again for the help,you guys are great!I'm still puzzled how black water could possible get into the water system.
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07-30-2010, 04:46 PM
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#5
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Montana Master
Join Date: Oct 2007
Location: silver creek
Posts: 1,507
M.O.C. #7770
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what do you mean by "black water"
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07-31-2010, 02:39 AM
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#6
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Montana Master
Join Date: Dec 2006
Location:
Posts: 2,376
M.O.C. #6575
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Check valve with a clean out on top of it? I really suspect you have a flapper type check, and that is the opening where the disc is inserted into the valve. Not sure I would have used that particular valve in this application, as it is probably not spring loaded. If you don't have to winterize the rig, just take the guts out of the old check valve.
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