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Old 08-13-2019, 01:37 AM   #1
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Brand: Thor Motor Coach
Model: Four Winds 24HL
State: Texas
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THOR #15850
City Water

We have a Thor Four Winds 24HL. Bought it new about a year and a half ago. Every once in a while, probably one out of ten, When I hook up the city water it won't work and I have to use the pump and fresh water tank.

I suspect that there is a check valve that might be sticking, but wanted to ask before I start taking things apart if anyone else has had this experience. Is there is a procedure that I should be following?
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Old 08-13-2019, 02:09 AM   #2
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THOR #1658
Not sure how yours is set up. But on mine there is a check ball right at the water inlet. Mine is more designed to keep the water from leaving the inlet when using water from my tank.
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Old 08-13-2019, 10:46 AM   #3
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THOR #1150
There is a check valve at the hose connection (much like rynosback describes) to keep water pressure inside the coach when not using city water (if you take out the screen you can see the end of the check valve--even press on it when the system isn't pressurized).

Does your Four Winds have a "water bay" with a valve/switch that you have to change when on city water vs internal? (Most of the Thor motorhomes don't have this: just hookup and it works but you never know.)

Do you fill the hose before connecting up? (Running the water through the hose before connecting to the city water connection eliminates all the spitting and air in the system. In addition, it helps purge the hose of anything before connected to the system.)
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Old 08-13-2019, 11:43 AM   #4
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THOR #8860
Quote:
Originally Posted by JamieGeek View Post
Does your Four Winds have a "water bay" with a valve/switch that you have to change when on city water vs internal? (Most of the Thor motorhomes don't have this: just hookup and it works but you never know.)
Something like this?


http://www.thorforums.com/forums/att...1&d=1565696611
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Old 08-13-2019, 01:40 PM   #5
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Originally Posted by Bob Denman View Post
LOL Exactly.
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Old 08-13-2019, 09:47 PM   #6
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Brand: Thor Motor Coach
Model: Four Winds 24HL
State: Texas
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THOR #15850
Quote:
Originally Posted by JamieGeek View Post
There is a check valve at the hose connection (much like rynosback describes) to keep water pressure inside the coach when not using city water (if you take out the screen you can see the end of the check valve--even press on it when the system isn't pressurized).

Does your Four Winds have a "water bay" with a valve/switch that you have to change when on city water vs internal? (Most of the Thor motorhomes don't have this: just hookup and it works but you never know.)

Do you fill the hose before connecting up? (Running the water through the hose before connecting to the city water connection eliminates all the spitting and air in the system. In addition, it helps purge the hose of anything before connected to the system.)
There isn't any sort of switchover device. I'm sure it's designed to work by just hooking up water since that's what it does most of the time.

I'll try filling the hose. Thanks for that suggestion.
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