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Check valve malfunction?
09-19-2011, 05:05 PM
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#1
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Senior Member
Join Date: Aug 2007
Location: Chester, NY
Posts: 222
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I am assuming that what is happening is a result of a bad check valve. With the fresh water hose disconnected, if I turn on the pump, water comes out of the hose. When I have the water hooked to a fresh water source, everything is ok.
Is the check valve broke? Can it be fixed? Replaced? Is it part of the pump or separate? 
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2007 Newmar Essex 4508 All Electric
H2 toad
Lil Thor, my wingman
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09-19-2011, 08:48 PM
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#2
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Community Moderator
Nor'easters Club Newmar Owners Club Workhorse Chassis Owner
Join Date: Oct 2004
Location: Salisbury,Ma. 01952
Posts: 13,607
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If you take the screen washer out of hose connect fitting you will see a small center tip.
Use a pencil with eraser and push in and out a few times you may clean out some particles that are caught in seal so water wouldn't squirt out like it is.
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09-20-2011, 05:54 AM
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#3
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Senior Member
Join Date: Aug 2006
Location: Fulltiming
Posts: 174
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OldHiker,
Our Essex does that from time to time but only when the water fill selector is turned to City Water. Try turning the selector to Auto Tank Fill and see if it still happens. It stops the problem on ours.
007,
The Essex has a pre-mounted hose on a hose reel and the water feeds in through the 3 way fill selector. You can't get to the check valve like you mention...or at least mine is not like that.
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2005 41' Newmar Essex, CRV Toad
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09-20-2011, 07:09 AM
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#4
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Senior Member
Join Date: Jun 2007
Location: Lee\'s Summit, MO
Posts: 203
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Have the same problem on our 2011 King Aire. It appears there is a check valve at the end of the city water hose (behind the hose reel). Still under warranty so taking it to the dealer next week along with a few other issues.
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Tom
2011 King Aire 4574
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09-20-2011, 09:32 AM
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#5
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Senior Member
Join Date: Aug 2007
Location: Chester, NY
Posts: 222
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Is the valve the grey plastic piece attached to the hose reel or is it the part that is attached to the inlet of the whole house filter?
__________________
2007 Newmar Essex 4508 All Electric
H2 toad
Lil Thor, my wingman
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09-20-2011, 01:31 PM
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#6
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Senior Member
Join Date: Jun 2007
Location: Lee\'s Summit, MO
Posts: 203
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On mine I suspect it is the coming out of the hose reel. It's a guess but it's the only one that jumped out at me. Maybe it could be either one.????
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Tom
2011 King Aire 4574
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09-20-2011, 06:57 PM
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#7
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Junior Member
Join Date: Jan 2007
Location: Orange Beach.Al
Posts: 13
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On my Essex it is the gray part before the whole house filter.I had to replace it because of same problem.
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Charlie & Darnell
2006 Essex 4508
Lifetime nkk #11902
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09-20-2011, 07:16 PM
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#8
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Senior Member
Join Date: Jul 2006
Posts: 693
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Yes I think it is the grey piece that connects to the hose reel or in the hose that that goes to the filter. It is not in the hose that is in the hose reel. If memory serves it is spring loaded so it might be stuck.
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John, Pam, Nicholas, Little Man and Aria
NKK 16073L
2007 Essex 4502 2004 Avalanche
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09-20-2011, 07:28 PM
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#9
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Community Moderator
Nor'easters Club Newmar Owners Club Workhorse Chassis Owner
Join Date: Oct 2004
Location: Salisbury,Ma. 01952
Posts: 13,607
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Thanks for the information Ken didn't notice the fact different coach's different systems to go wrong.
BUT ITS SURE FUN IS IT NOT. 
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09-23-2011, 06:52 PM
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#10
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Senior Member
Join Date: Aug 2007
Location: Chester, NY
Posts: 222
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Removed it and inspected. When I removed the rubber disk that does the sealing, discovered it was broken thru. Ordered a new valve from Newmar for about $13 plus shipping.
__________________
2007 Newmar Essex 4508 All Electric
H2 toad
Lil Thor, my wingman
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