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Put your Central Heating System question in here.
By trills
#6150
Hi, I'd appreciate any help with this prob;em When I require hot water during the Summer months and haven't had the central heating on everything is fine. In the Winter, when the central heating is on/been on and I turn the hot water on, the instant the hot water reaches temp and switches off, there is what sounds like water hammer banging through the house. Could the 3 way valve be the problem? Many thanks in advance for any help.
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