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I would be happy with boiler only dumping and then needing a reset. It just seems daft that the fresh water tank then drains as a consequence. Just spoken to the dealer and he says he gets lots of calls about this issue on continental vehicles
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I would be happy with boiler only dumping and then needing a reset. It just seems daft that the fresh water tank then drains as a consequence. Just spoken to the dealer and he says he gets lots of calls about this issue on continental vehicles
Pump doesn't need to be running, it happens if the feshwater tank is higher than the valve, mainly on single foor vans where the tank is under the lounge seat.I think that only happens if the pump has power and is trying to replace the water draining from the boiler.
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Never had a problem with ours dumping as long the motorhome is occupied, if you have had the heating or hot water on in the night you should have enough latent heat in the van for it to last a good few hours before it drops to 3 deg.
No - it depends on whether a siphon effect is possible. My Hymer did it.I think that only happens if the pump has power and is trying to replace the water draining from the boiler.
If one thinks that the valve may dump because of the temperature drop, one can simply switch off the pump at night or while away from the MH.
Geoff
Simple - keep heating or hot water on. Use mains on EHU, gas when not. In Winter I turn on the heating before leaving home & turn it off when we return.What strategies do you have for coping with the automatic boiler valve dump at 3degs?
Particularly
Overnight on site with ehu
Overnight on site without ehu
During the day when parked up for a walk etc
My van is a 5.5m panel van conversion
Thanks ronidog
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Simple - keep heating or hot water on. Use mains on EHU, gas when not. In Winter I turn on the heating before leaving home & turn it off when we return.
I switch my pump off at night and let nature take it's course. If it dumps it dumps. I just close the valve in the morning and refill the boiler ! job done.
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OK ! On my system (autotrail) boiler only fed from water tank via pump so easy to manage.My issue is that the boiler dumps and then that causes the main fresh tank to dump through syphoning.
If it was only the boiler it would not be an issue
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Only on the older electric valves, they are mechanical now and difficult to hold closed.A clothes peg will stop the valve dropping and emptying the tank.
Obviously only a good idea if you're confident that the boiler won't freeze....
Of course - why wouldn't you? Apart from anything else I've never come across a base vehicle heater worthy of the name so when driving in very cold weather l need the extra from the hab heating. As do my dogs.Sorry if I sound a bit slow, but do you have the gas powered heating on whilst you are driving and parked whilst visiting somewhere?
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