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Old 02-23-2020, 06:26 AM   #1
NCRog's Avatar

Newmar Owners Club
Spartan Chassis
Join Date: Sep 2012
Posts: 75
Water System Check Valve

Just wanted to pass on the fix to an issue we've had.

Over the last season or two I've noticed our water supply hose dribbles when I disconnect it from the campground supply. My solution has been to ensure the end cap is tightly screwed on before I retract the hose reel and hit the road. Yesterday I disconnected it while the coach pump was turned on ... it was a lot more than a dribble!

The water system has a check valve, located in the main plumbing system once it leaves the hose reel. It's all neat and tidy, the line appears to be a crimped assembly installed by the factory. However, after some research, I found the check valve is manufactured by SharkBite and removal just requires you to push down the collars on each end. A new 3/4" check valve was less than $20 at the local hardware store. They also sell a plastic snap on collar retracting tool for less than $2, but you can also use an adjustable wrench, set to the O/D of the pipe, to push the collar in. It literally took less than a minute to swap the valve out ... which completely stopped any back flow from the supply hose!

I did check the inside of the old valve, found some metallic looking debris, which had prevented the valve from shutting off.

Roger & Judith
2017 Newmar Essex 4533, Spartan K3 chassis
2019 GMC Yukon Denali, Blue Ox, Air Force One
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Old 02-23-2020, 08:20 AM   #2
Senior Member
Newmar Owners Club
Freightliner Owners Club
Join Date: Jun 2016
Location: Odessa, Tx.
Posts: 436
Good deal!
Thanks for sharing the information.
John and Sue from W. Texas
2001 DSDP, 3126B Cat

"the Oilfield PAID me to retire, so I did" :-)
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valve, water

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