Water Fill solenoid Open???? Really Fixed

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Water Fill solenoid Open???? Really Fixed

April 16, 2014, 10:50:19 pm

Put fresh water in the tank today and when it was full I turned the water fill switch off and the pump kept running. Disconnected the fresh water hose from the spicket and the water was running out the end of the fill hose. Activated and deactivated the Water Fill Switch both in the wet bay and under the sink numerous times and the pump kept running. When I turned the water on in the kitchen or elsewhere the flow was low. Guess the pump is sucking air and a little water. Turned the water pump off and will have to supplement for Roland flushing.

Any thoughts would be appreciated.

Re: Water Fill solenoid Open???? HELP

Reply #1 – April 16, 2014, 10:55:29 pm

Quote from: Carol & Scott – April 16, 2014, 10:50:19 pm

Put fresh water in the tank today and when it was full I turned the water fill switch off and the pump kept running. Disconnected the fresh water hose from the spicket and the water was running out the end of the fill hose.

Any thoughts would be appreciated.

Based in first person experience (BTDTGTTS), there's a good possibility it's the fresh water inlet check valve.

In Jeff and Carol's 2002 it was at the base of the Manabloc (nice and easy to replace). In our 2003 it was behind the siliconed-in back panel of the wet utility bay (not nice and easy).

Re: Water Fill solenoid Open???? HELP

Reply #2 – April 16, 2014, 11:07:39 pm

Gee Michelle - Thanks. - What does (BTDTGTTS) mean?

Re: Water Fill solenoid Open???? HELP

Reply #3 – April 16, 2014, 11:09:19 pm

Quote from: Carol & Scott – April 16, 2014, 10:50:19 pm

Turned the water pump off and will have to supplement for Roland flushing.

Any thoughts would be appreciated.

Nice to see I am remembered........I Think $:-\$

Roland

Re: Water Fill solenoid Open???? HELP

Reply #4 – April 16, 2014, 11:11:45 pm

Quote from: Carol & Scott – April 16, 2014, 11:07:39 pm

Gee Michelle - Thanks. - What does (BTDTGTTS) mean?

Been there, done that, got the T shirt...

Re: Water Fill solenoid Open???? HELP

Reply #5 – April 16, 2014, 11:12:39 pm

Roland you are etched in our minds forever........

Re: Water Fill solenoid Open???? HELP

Reply #6 – April 16, 2014, 11:17:00 pm

Scott,

Water running back out the disconnected hose sounds like the check valve for the hose is not working. I took mine apart (behind the Manabloc panel) and found the shuttle was out of position. A mild case of waterline freezing will cause this problem too.

The pump running continually sounds the fill valve is open when the pump is turned on.

Re: Water Fill solenoid Open???? HELP

Reply #7 – April 16, 2014, 11:18:32 pm

Michelle - You are toooooo much......

Think you can you rustle up a picture of this thing that is causing me trouble? We are getting under way on the 23rd of this month. Would like to have it repaired by then.

Michelle - you must be reading my mind. Thanx.

Re: Water Fill solenoid Open???? HELP

Reply #8 – April 16, 2014, 11:23:34 pm

M - Not sure what the pics show?

Re: Water Fill solenoid Open???? HELP

Reply #9 – April 16, 2014, 11:24:24 pm

been there done that got the t shirt

Re: Water Fill solenoid Open???? HELP

Reply #10 – April 17, 2014, 06:55:52 am

The check valve is the brass fitting on the floor to the left of the black pipe.

Re: Water Fill solenoid Open???? HELP

Reply #11 – April 17, 2014, 07:16:39 am

Mine acted exactly that way when my fill valve stuck open with a small piece of debris in it. bought a new valve installed and problem solved. valve was kind of buried on my coach

Re: Water Fill solenoid Open???? HELP

Reply #12 – April 17, 2014, 07:19:06 am

I had my fill valve go bad too. The old ones had a brass top that had a magnet in it. The new ones have a manual override.

Re: Water Fill solenoid Open???? HELP

Reply #13 – April 17, 2014, 08:59:39 am

My fill valve caused problems and it wasn't hard to fix, just frustrating. Had it apart several times before finally getting it to work. There was the smallest sliver of thread tape that was apparently covering the small orifice sometimes keeping it from relieving pressure in the chamber to open the valve.

Sometimes the tank wouldn't fill and sometimes it would run over. Now it's fixed with zero investment other than my time which isn't worth much on the weekends.

Re: Water Fill solenoid Open???? HELP

Reply #14 – April 17, 2014, 09:47:05 am

John S & Rick - Where were your fill valves located and what do they look like?

Thanks..

Re: Water Fill solenoid Open???? HELP

Reply #15 – April 17, 2014, 10:09:03 am

Did a search on Water Fill Valve and found a bunch of threads. Guess I'll take some panels off and replace the check valve (seems I can get one from Ace) and get a better look at the fill valve. Looks like it is located next to the pump.

Re: Water Fill solenoid Open???? HELP

Reply #16 – April 17, 2014, 10:59:27 am

Good place to use a Shark Bite check valve. I usually have a check valve, end stop, couplings and a bit of pex tubing on hand in my on board plumbing supplies.

Roland

Re: Water Fill solenoid Open???? HELP

Reply #17 – April 17, 2014, 11:03:19 am

Hey Roland -

Saw your shark bite solution on another thread.

I must first locate the check valve and then determin, what shark bites to get then how to do it. Still have some Pex left from your adventure.

Thanx.

Re: Water Fill solenoid Open???? HELP

Reply #18 – April 17, 2014, 11:06:07 am

Tim -

Found your thread dated: Oct 2011. Am studying it now and will try. Thank you.

Re: Water Fill solenoid Open???? HELP

Reply #19 – April 17, 2014, 11:27:06 am

The attached pic is - I believe to be the water fill valve assy??

Just for question sake what is the other electrical thing?

Re: Water Fill solenoid Open???? HELP

Reply #20 – April 17, 2014, 11:28:01 am

We had that happen a few years ago on a trip. I just capped off the water inlet to keep the water from running out. After a few water fills the check valve was freed up and working fine ever since. I think the CG in Chicago had some really dirty water that plugged up the check valve. Maybe a vinegar type flush of the system would free up the valve.

Mark

Re: Water Fill solenoid Open???? HELP

Reply #21 – April 17, 2014, 11:39:21 am

Quote from: Carol & Scott – April 17, 2014, 11:27:06 am

Just for question sake what is the other electrical thing?

Tank level sensor.

Re: Water Fill solenoid Open???? HELP

Reply #22 – April 17, 2014, 11:49:57 am

Fresh water check valve pic?

Re: Water Fill solenoid Open???? HELP

Reply #23 – April 17, 2014, 11:52:27 am

Mark - How did you cap off the water inlet? How did you know which hose to cap??

Michelle - Thanks.

Re: Water Fill solenoid Open???? HELP

Reply #24 – April 17, 2014, 12:22:13 pm

It's a plug in the facet end of the hose. Mine was dripping so I put one of these on the end.

Keith

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