Whale water system pressure switch

[John R. Edwards]

I have a Bailey 540 motorhome which has a Whale pump water system. This weekend when I turned a tap on no water came out of the taps. If I hold down the pump on switch on the control panel the pump runs, pressurises the tap water and if I open the tap, some water comes out then stops although if I leave the tap open and hold down the pump on switch, water comes through as normal. I assume there is a fault on the pressure switch. However, I cannot locate a pressure switch! I can find the Watermaster pump and the surge damper. There are no microswitches on the taps.



Any ideas/suggestions appreciated

 

[ctc]

Is the pressure switch part of the pump? If not follow the wires.

 

[bobandjanie]

We have a submersible whale pump and pressure switch is outside the tank and looks like this in the link.


https://www.ebay.co.uk/itm/WHALE-WU...017646&hash=item3d664ee07a:g:-mIAAOSwzzVbBoco

If you have the same, you have to adjust the pressure by turning the top, YouTube will show you how. Bob.

 

[John R. Edwards]

I've seen that on the Whale website but can't find anything similar in my motorhome.
I can see the pump (blue) and anti surge thingy next to it (white) but no pressure switch.

 

[bobandjanie]

It must be in the pump, is there any water coming out under the motorhome when it's running?

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