Go Back   Thor Forums > Thor Tech Forums > Maintenance and Repair
Click Here to Login
Reply
 
Thread Tools Display Modes
 
Old 07-11-2016, 11:37 PM   #1
Senior Member
 
bevedfelker's Avatar
 
Brand: Thor Motor Coach
Model: 2015 Vegas 24.1
State: Florida
Posts: 1,066
Cold Water Line Check Valve Failure

Had less than 1/3 of a tank of fresh water. We are camped and hooked to power and city water. Checked my gray & black tanks. Also pressed the sensor button for the fresh. I expected the fresh to read empty but the light came on for full. Thought the sensor was acting up.

Went outside about 10 min later and water was pouring out the cap and overflow on the fresh water fill.

Looks like the cold water check valve where the strainer is or the water pump failed allowing city water to back flow through valve and line coming out of the fresh water tank to the pump.

I closed the valve on the line coming out of the tank and opened the drain on the tank to drain the water.

One more warranty entry on my list for the dealer next week.
__________________

__________________
Ed & Bev Felker
Retired USAF Col and retired Nurse
Traveling with Lily & Bella ('Teddy Bear' breed)
2015 Vegas 24.1 (E-350)
bevedfelker is offline   Reply With Quote
Old 07-11-2016, 11:46 PM   #2
Senior Member
 
JamieGeek's Avatar
 
Brand: Thor Motor Coach
Model: Axis 24.1
State: Michigan
Posts: 4,525
Wow I think you are the 2nd or 3rd person on here who has that happen to them.
__________________

JamieGeek is offline   Reply With Quote
Old 07-11-2016, 11:55 PM   #3
Senior Member
 
bevedfelker's Avatar
 
Brand: Thor Motor Coach
Model: 2015 Vegas 24.1
State: Florida
Posts: 1,066
Yea I know -- I remember reading at least one other just recently.
__________________
Ed & Bev Felker
Retired USAF Col and retired Nurse
Traveling with Lily & Bella ('Teddy Bear' breed)
2015 Vegas 24.1 (E-350)
bevedfelker is offline   Reply With Quote
Old 07-11-2016, 11:57 PM   #4
Senior Member
 
bevedfelker's Avatar
 
Brand: Thor Motor Coach
Model: 2015 Vegas 24.1
State: Florida
Posts: 1,066
Oh by the way -- it is a pretty effective way to fill the fresh water tank. Only problem is it doesn't stop filling.
__________________
Ed & Bev Felker
Retired USAF Col and retired Nurse
Traveling with Lily & Bella ('Teddy Bear' breed)
2015 Vegas 24.1 (E-350)
bevedfelker is offline   Reply With Quote
Old 07-12-2016, 02:15 AM   #5
Senior Member
 
Oneilkeys's Avatar
 
Brand: Thor Motor Coach
Model: 2016 Axis 24.1
State: Florida
Posts: 1,542
This was a common problem in the Phoenix Cruisers that two of my neighbors owned. They replaced several cold water check valves in their motor homes. Apparently some water systems have too much water pressure for the valves.
Oneilkeys is offline   Reply With Quote
Old 07-12-2016, 02:51 AM   #6
Senior Member
 
Brand: Thor Motor Coach
Model: Vegas 24.1
State: Michigan
Posts: 118
I was one of the people who had this happened a while ago. Called the water pump supplier tech line. They said the problem is not high water pressure - the check valve will handle a lot of pressure. Problem is probably debris in the check valve ; told me to disconnect the external pressure and run some water thru using the pump. I did that and problem went away- has not returned in over a year.
Stan fowler is offline   Reply With Quote
Old 07-12-2016, 12:33 PM   #7
Member
 
Brand: Thor Motor Coach
Model: Vegas 24.1
State: Tennessee
Posts: 41
Reported the same issue about 6 months ago, CW could not duplicate the issue in the shop. during our 41 day trip to Oregon it happened three times but never filled the tank full but if I did not check levels every day I'm sure it would have.

I have started to systematically try different ways to make it happen by turning on the pump when I'm hooked up to shore, trying to remove pressure from internal system before hooking up shore water. CW did say it could be the pump check valve and if it happens again I'll have them change out the pump before warranty ends.
Angelo is offline   Reply With Quote
Old 07-12-2016, 01:13 PM   #8
Senior Member
 
Oneilkeys's Avatar
 
Brand: Thor Motor Coach
Model: 2016 Axis 24.1
State: Florida
Posts: 1,542
Interesting. Good to know. Thanks.
Oneilkeys is offline   Reply With Quote
Old 07-12-2016, 01:23 PM   #9
Senior Member
 
sikoriko's Avatar
 
Brand: Thor Motor Coach
Model: Chateau 23U
State: California
Posts: 179
So all these check valve failures. Did they use a water filter inline of the city water connection?
sikoriko is offline   Reply With Quote
Old 07-12-2016, 02:29 PM   #10
Senior Member
 
Brand: Thor Motor Coach
Model: Vegas 24.1
State: Michigan
Posts: 118
Vegas has a small filter in-line to the water supply tank. Any debris will come from the tank - anything coming from shore will be upstream of the check valve. My filter showed a lot of junk from the manufacturing process - small pieces of plastic, etc . Unfortunately, my filter cracked and leaked ( stress from the hard line plumbing- I have put a flexible line in the system) , so was removed at the time if the incident ( still have not replaced .....). I suspect this debris is an " infant failure" and will go away as the motorhome gets older - which probably explains why I have not had a repeat even though I have not replaced the filter.

If you keep getting recurrences, I would check filter, then replace the pump !!
Stan fowler is offline   Reply With Quote
Old 07-12-2016, 03:49 PM   #11
Senior Member
 
bevedfelker's Avatar
 
Brand: Thor Motor Coach
Model: 2015 Vegas 24.1
State: Florida
Posts: 1,066
I'll try disconnecting city water and then run the pump to see if any debris dislodges. I always use a pressure regulator on city water.
__________________
Ed & Bev Felker
Retired USAF Col and retired Nurse
Traveling with Lily & Bella ('Teddy Bear' breed)
2015 Vegas 24.1 (E-350)
bevedfelker is offline   Reply With Quote
Old 07-12-2016, 04:56 PM   #12
Senior Member
 
bevedfelker's Avatar
 
Brand: Thor Motor Coach
Model: 2015 Vegas 24.1
State: Florida
Posts: 1,066
Put water in tank. Disconnected city water. Ran pump and ran water through bathroom sink and kitchen sink. Turned off pump and reconnected city water. Tank is not filling through stuck check valve. Looks like the guidance given Stan Fowler was right on.
__________________

__________________
Ed & Bev Felker
Retired USAF Col and retired Nurse
Traveling with Lily & Bella ('Teddy Bear' breed)
2015 Vegas 24.1 (E-350)
bevedfelker is offline   Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


» Virginia Campgrounds

Reviews provided by



ThorForums.com is not in any way associated with Thor Industries or its associated RV manufacturing divisions.


All times are GMT. The time now is 08:42 PM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2017, vBulletin Solutions, Inc.
Content Relevant URLs by vBSEO 3.6.0 PL2