Water supply

Submitted: Wednesday, Jul 10, 2013 at 15:19
ThreadID: 103187 Views:2652 Replies:2 FollowUps:3
This Thread has been Archived
When I use my water pump from the water tank, the water pumps out of the inlet tap where I would normally connect the water hose. Should I have a back flow device fitted somewhere along the water supply line? I cannot find it. Would it have anything to do with having to recharge the SHURflo accumulator? If so, how are they recharged?
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Reply By: Mapesy (QLD) - Wednesday, Jul 10, 2013 at 16:30

Wednesday, Jul 10, 2013 at 16:30
A silly question but is your pump connected the correct way around? It sounds as if you have the inlet and outlets reversed. With a "diaphragm" pump it will pump air into the tank and push the "pressurised" water out if it is incorrectly set up.
AnswerID: 514575

Follow Up By: John N12 - Wednesday, Jul 10, 2013 at 16:39

Wednesday, Jul 10, 2013 at 16:39
Has been installed in the van since new 2008 and the problem has has not occurred before. I have now put a plug on the inlet tap to stop it back flowing and that is working, but not sure if I should do more. Thanks for your help.
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FollowupID: 793673

Follow Up By: Notso - Wednesday, Jul 10, 2013 at 17:32

Wednesday, Jul 10, 2013 at 17:32
You probably have something obstruction the non return valve in the supply line.

Most have the non return valve adjacent to the inlet adapter where you attach the hose.

I had to dismantle mine once when the same thing happened.
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FollowupID: 793675

Reply By: Member - Toyocrusa (NSW) - Wednesday, Jul 10, 2013 at 20:12

Wednesday, Jul 10, 2013 at 20:12
Hi. I have a 2010 Jayco Sterling. On the inlet pipe it has a pressure reducing valve. It is a brass cylinder device that has a spring loaded diaphram inside. This reduces the high water presure that some communities town water has. It also seats against an internal face and stops water backflowing up the pipe when there is no pressure from outside. It sounds like yours has possible something under the seat or has somehow failed. I have read there is a plastic version too. Maybe follow the inlet pipe from the start and see what you can find. Cheers,Bob.

AnswerID: 514587

Follow Up By: Member - Toyocrusa (NSW) - Wednesday, Jul 10, 2013 at 20:29

Wednesday, Jul 10, 2013 at 20:29
This is mine disassembled after the gauze screen became blocked from river water

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FollowupID: 793686

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