As JohnL says, interfering with the operation of a gas appliance is foolhardy to say the least, however..
We are talking here of another isolation switch that happens to be on a timer, this then is little different to the vans 12v isolation switch or in fact disconnecting the battery while the water heaters switch happens to be left on.
Once power is restored, the control will attempt to light and either light of fail to light in the correct manner, just as though it was relighting on a reheat cycle in the normal sequence of events.
Where things can go wrong is with the design of the 'timer' and if this, for whatever reason?, causes a fault which leads to an accident, then on your head be it!!
The Truma itself is now devoid of insulation other than the outer plastic jacket, older models had 40mm of fibreglass insulation behind the jacket. The probably reason for removal, the water tank is inside another metal cylinder which prevents combustion gasses entering the living space, this inner void is obviously well vented to the outside and allows rapid heat loss, the insulation only really kept heat out of the under bunk area.
But, to some extent re-instating the insulation and fitting the outer flue cover while the heaters turned off overnight would help to keep the water much hotter from the night before. This then would allow you to cut down on reheat time in the morning, negate the need for a timer and not interfere with the heaters control in anyway.
We are talking here of another isolation switch that happens to be on a timer, this then is little different to the vans 12v isolation switch or in fact disconnecting the battery while the water heaters switch happens to be left on.
Once power is restored, the control will attempt to light and either light of fail to light in the correct manner, just as though it was relighting on a reheat cycle in the normal sequence of events.
Where things can go wrong is with the design of the 'timer' and if this, for whatever reason?, causes a fault which leads to an accident, then on your head be it!!
The Truma itself is now devoid of insulation other than the outer plastic jacket, older models had 40mm of fibreglass insulation behind the jacket. The probably reason for removal, the water tank is inside another metal cylinder which prevents combustion gasses entering the living space, this inner void is obviously well vented to the outside and allows rapid heat loss, the insulation only really kept heat out of the under bunk area.
But, to some extent re-instating the insulation and fitting the outer flue cover while the heaters turned off overnight would help to keep the water much hotter from the night before. This then would allow you to cut down on reheat time in the morning, negate the need for a timer and not interfere with the heaters control in anyway.
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