Central heating/hot water - expansion tank - and over flow - help and advice needed
Ok - tonight I have checked the levels and made sure the main cold tank
in loft - the level is higher than the expansion tank. In the morning I
will go and see how far the expansion tank ahs risen.
Have you turned off the F&E water supply? That way you can be sure than any
extra water must have come from the DHW system.
Christian.
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