Reply
 
Thread Tools Display Modes
 
Old 12-15-2015, 11:57 PM   #1
Senior Member
 
NW Snowbirds's Avatar
 
Join Date: May 2013
Posts: 288
Send a message via AIM to NW Snowbirds
Water Pump Runs Continuously

The water pump runs continuously even when all the water faucets are closed. I thought it might be the pressure switch which is mounted on the end of the pump and changed the switch to a new one. No joy! So I changed the pump out to a new pump (different brand) I carry as a spare. No joy! There is no water leaking from any fitting or line, the flow thru the faucets is ok (always weak flow using the pump), and I removed the water filter cartridge and checked the pump suction strainer (clean).So why can't the system build up the 50 psi pressure to shut off if there are no leaks and the supply is unobstructed? Stumped in Washington!
__________________
2012 Redwood 31SL chasing 2013 GMC 2500HD Duramax SRW
NW Snowbirds is offline   Reply With Quote
Old 12-16-2015, 12:51 AM   #2
Senior Member
 
Join Date: Feb 2013
Posts: 1,854
Fresh water tank drain valve open? Shut-off valve on the inlet side of the fresh water pump in the closed position. Cap on end of winterizing hose in convenience center sucking air?
__________________
2012 F350 KR CC DRW w/ some stuff
2013 36FL
Cindy and Tom, Toby and Kasey (our Berner and Newfie)
Oh...I forgot the five kids.
spindrift is offline   Reply With Quote
Old 12-16-2015, 03:15 AM   #3
Senior Member
 
NW Snowbirds's Avatar
 
Join Date: May 2013
Posts: 288
Send a message via AIM to NW Snowbirds
No. No. Yes.
__________________
2012 Redwood 31SL chasing 2013 GMC 2500HD Duramax SRW
NW Snowbirds is offline   Reply With Quote
Old 12-16-2015, 04:13 AM   #4
Senior Member
 
Join Date: May 2013
Posts: 435
Check for holes in the winterizing hose. When they screwed the back wall of basement on in mine, they put not one, but two screws through it. Instead of replacing the hose they then proceeded to fix it by cutting the hose at one hole. Then instead of using a splice barbed on both ends, they used one with 1/4 pipe threads on one end, and barbs on the other.

They completely missed the second hole. I found the second one and cut 8-10 inches out of the hose. The pump still wouldn't prime. After a couple more hours of looking, messing and cussing I found the threaded end. It was sucking air past the threads. I had by this time double clamped most of the fittings leading to the pump. It was just stupid what they did.

Mark
__________________
2013 36RE, 2008 GMC 3500CC DRW
markw is offline   Reply With Quote
Old 12-16-2015, 12:50 PM   #5
Site Team
 
Blenhardt's Avatar
 
Join Date: Apr 2012
Posts: 628
I'm sure you have already checked, but i will ask anyway. Is the cap on the winterize hose?
__________________
2013 Redwood 34SK, 2017 F350 Dually
Grain Valley, Mo
Blenhardt is offline   Reply With Quote
Old 12-16-2015, 05:24 PM   #6
Senior Member
 
NW Snowbirds's Avatar
 
Join Date: May 2013
Posts: 288
Send a message via AIM to NW Snowbirds
Quote:
Originally Posted by Blenhardt View Post
I'm sure you have already checked, but i will ask anyway. Is the cap on the winterize hose?
Yes. Tight. I'm checking the suction side plumbing today. I'm suspicious of a leak in that tangle of tubing and fittings.
__________________
2012 Redwood 31SL chasing 2013 GMC 2500HD Duramax SRW
NW Snowbirds is offline   Reply With Quote
Old 12-16-2015, 08:13 PM   #7
Senior Member
 
NW Snowbirds's Avatar
 
Join Date: May 2013
Posts: 288
Send a message via AIM to NW Snowbirds
Problem solved. The plastic cap on the anti freeze pick up hose was leaking air into the system. There is no valve in this line so it depends on an air tight seal from the cap. One of the first things I checked was this cap and I screwed it on as tightly as I could. I found the problem when I removed the cap and inserted the antifreeze hose into a jug of fresh water. When the line was trapped under water the pump pressurized the system and then cycled off from the pressure switch. The solution was to insert a rubber washer into the cap and also use teflon tape on the threads. Everything is back to normal.
__________________
2012 Redwood 31SL chasing 2013 GMC 2500HD Duramax SRW
NW Snowbirds is offline   Reply With Quote
Old 12-16-2015, 08:15 PM   #8
Senior Member
 
xtasee's Avatar
 
Join Date: Oct 2015
Posts: 377
Thanks for posting the solution. It could save some of the rest of us some time...
xtasee is online now   Reply With Quote
Old 12-16-2015, 08:19 PM   #9
Senior Member
 
NW Snowbirds's Avatar
 
Join Date: May 2013
Posts: 288
Send a message via AIM to NW Snowbirds
If I get ambitious I may replace the standard valve in the pump suction line with a three way valve. That way we are not depending on a plastic cap screwed onto the end of a hose for positive closure.
__________________
2012 Redwood 31SL chasing 2013 GMC 2500HD Duramax SRW
NW Snowbirds is offline   Reply With Quote
Old 12-16-2015, 08:20 PM   #10
Site Team
 
piper guy's Avatar
 
Join Date: Dec 2012
Posts: 1,713
I have to pull that side of the basement in the spring for some other stuff to do and am planning on putting a shutoff valve in that line while I'm in there.
__________________
Vaughan & Tracy 2013 RW 36RL, 2013 F350 DRW CC, 2016 Focus. MorRyde IS, MorRyde pinbox, disc brakes, Comfort Ride Hitch. "Life is to be embraced, Grab it with both arms ! "
piper guy 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


» Featured Campgrounds

Reviews provided by

Powered by vBadvanced CMPS v3.2.3
Disclaimer:

This website is not affiliated with or endorsed by Redwood RV or any of its affiliates. This is an independent, unofficial site.


All times are GMT +1. The time now is 12:03 AM.


Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2018, vBulletin Solutions, Inc.