Loss of fresh water when on move (1 Viewer)

[snooky]

A newbie question ! Is the boiler frost dump valve thing suppose to be open or closed when traveling??
My first time out I filled water tank up and all went well then 2nd time out a week later I set off and could see water coming out from rear near side but thought it was nothing to bother about but got to site and there was no water left in tank so had to fill it up and was ok, the only thing that might of been different was one time the trauma valve was open and the other time it wasn't but thinking about it I can't remember which was which time,
Can anyone put me right please so I can go away today without loosing my fresh water.

 

[Speve]

The dump valve should not open unless the temp goes below about 6° As it is an automatic frost protection so before traveling it should be closed

 

[Poohbear]

Your water tank shouldn't empty anyway unless your pump is switched on. Even if the drain valve is open it should just dump the contents of the boiler and that's all.

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[snooky]

Any idea why it might of emptied while on the travel or what I should be checking ?

 

[Speve]

Check that water pump is switched off and valves are closed might be a good idea to check any pipe joints as sometimes they can work loose and leak.

 

[snooky]

I'll have a look thanks

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[tonyidle]

Your water tank shouldn't empty anyway unless your pump is switched on. Even if the drain valve is open it should just dump the contents of the boiler and that's all.

It depends on the plumbing layout. Mine empties the main tank as well (siphon effect).

 

[snooky]

Just checked the valve and it had opened so I've pulled it back up and put a peg on to keep it pulled closed and I've turned the taps on on the bottom of boiler and the kitchen taps and the gas cooker just cause it was next to the tap