CH Off, Hot Water On - Upstair Rads on - What is problem?

mikef · 19 Dec 2002

With Central Heating off, the upstairs radiators heat up when the Hot water is heating up. What is the problem?

MORGAN69 · 27 Dec 2002

MOTORIZED VALVE LETTING BY,ALLOWING C/HEATING TO GET WARM.

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CH Off, Hot Water On - Upstair Rads on - What is problem?

mikef

MORGAN69

DIYnot Local

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