My external water pump won’t turn off
hi just for reference I have a lunar clubman Es 2009 ....my question is when I use taps shower ect my external pump in aqua roll will not turn off so have to use the on off pump switch inside and the pump is new as thought I’d try that first ....please help
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could be the pressure stitch/valve needs adjusting? Try turning it one way or the other to see if that helps.
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Do you have a white pressure valve next to the water inlet under the front bench? It should have a small knurled circular 'tap'on top.
With the tap off, and water running, turn clockwise until the water stops running. If that does not work try anti clockwise.
This has worked for me in the past hope it helps solve your problem.
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This happened to me. I fiddled with the pressure switch for ages but nothing seemed to work. In the end I found that there was a small split in the pipe between the pump and the van which was below the level of water in the Aquaroll. Hence lack of pressure and very hard to find!
!
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ours is a Truma pressure switch which has a very tiny grub screw on the front which you have to turn anti clockwise until the outside pump stops. Normally once set it just works. The only problem i have with this arrangement is the pressure switch being attached to the outside wall under the front offside seating which makes it very difficult to access, and the grub screw is very tiny and on the vertical front face of the switch, and replacement knees do not like to be knelt on, nightmare. Check all pipes we had a hair line crack in the food grade hose coming out of the water heater which was squirting water into the underside of the front seat cushion so not easy to spot, if i had spotted this earlier would not have had to buy new pump, and replacing 6 inches of pipe with push on connectors was very easy and would have saved a lot of hassle.
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This is the printable page that Whale provide with detail description for adjusting the pressure valve. Hope this helps
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