Leave valve open when batteries low
When the batteries go flat, I have found that the heating keeps trying to heat that room, but with the valve closed it won't, so the system either needs to turn that room off or personally I'd rather it leave the valve open so it can heat the room, with the rest of the house.
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Comments
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Agreed, I'd rather the extra few £/€ heating a room when the batteries are gone than a cold room until I can replace them - great idea!
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We need this or a earlier battery warning, now the warning comes and valve closes at the same time. And if your not home it will be cold.
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