Forum Discussion

jarata1's avatar
jarata1
Explorer
Jul 24, 2016

Water tank issue

I want camping this weekend to a state park no water or electricity.
I filled up my water tank at home and used the pump for the water when I was at campsite.
The odd thing is everytime I turned on water with the pump, water would shoot out my water supply hose fill outlet that i use when camping at a campground with water supply.
Something is wrong it shouldnt shoot out the other side of camper.Is something hooked up wrong.
I also notice when im at a private campground and use there water supply I seem to have alot more gray water waste then I remember using.
When i bought trailer in for service I had them bypass the hot water heater because it wasnt working right and i didnt really need it in summer.Could they have done something wrong
Thanks
  • The city water inlet should be screwed to the side of your RV. Take those screws out. Cut the caulk sealing that unit and the whole city water inlet should pull out from the side of the RV several inches. You will see the back check valve connected to the back of the city water inlet, with the plumbing line attached to the back of the back check valve.

    It is the back check valve you need to replace, not the washer.

    Sorry, I did not take pictures when I replaced mine.
  • Bobbo wrote:
    It wouldn't be illegal, just one more step. It's there for a reason. The reason is to keep the pump from pumping your water out of it.

    I agree, you may be able to repair it, but new ones are cheap and replacing it is simple. Unscrew the fixture from the side of the RV, pull it out and unscrew the old valve. Screw in the new valve. Screw the assembly back to the RV, and caulk around it. Done.

    Are you saying just take out the city water inlet washer and repair or is it the one inside the trailer there are pictures of both.The water pressure is fine it's just when I use the water pump the water shoots out the city water inlet
  • Bobbo wrote:
    It wouldn't be illegal, just one more step. It's there for a reason. The reason is to keep the pump from pumping your water out of it.

    I agree, you may be able to repair it, but new ones are cheap and replacing it is simple. Unscrew the fixture from the side of the RV, pull it out and unscrew the old valve. Screw in the new valve. Screw the assembly back to the RV, and caulk around it. Done.

    Are you saying just take out the city water inlet
  • It wouldn't be illegal, just one more step. It's there for a reason. The reason is to keep the pump from pumping your water out of it.

    I agree, you may be able to repair it, but new ones are cheap and replacing it is simple. Unscrew the fixture from the side of the RV, pull it out and unscrew the old valve. Screw in the new valve. Screw the assembly back to the RV, and caulk around it. Done.
  • If you can't fix it just plug it when you want to use the pump. It's probably illegal (the check valve is there for a reason) but I won't tell.
  • I would say go for it as it looks fairly simple to do and you could save some money in the process.
  • Water is shooting out of the shore water inlet because the back check valve has failed. Easy replacement.

    Increased grey water waste is probably usage.

    I doubt seriously that the water heater being bypassed has anything to do with either issue.