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yeah pressure is good, just over 1 bar thats why im thinking its the PCB

burner lockout on hot water, CH there is nothing at all, no life overheat reset button is not out, so assuming its not that we did have a lightening strike yesterday afternoon, not sure if thats got anything todo with my issues as it had tripped the house fusebox

Hey everyone got a heatslave 15/19, pretty old but has worked well for last 7 years...serviced every year and only had to ever change a diverter valve last few weeks ive notived the Worscester optional controller for the boiler (LED type with CH & DHW Buttons) has been somewhat intermittent...