My Worcester Combi pressure gauge goes from 1.5 up and above 3 when running the central heating, is this normal / safe or what could be wrong
Combi boiler pressure raising
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Should be below 3 and at about 1 when not working. Could be your pressure relief valve thats not working. Have you bled the radiators recently. This may help to reduce the pressure in the system.IF YOU CAN'T FIX IT WITH A HAMMER, YOU'VE GOT AN ELECTRICAL PROBLEM.
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