Sorry pump drive pcb. The boiler was not working properly. The radiators were on regardless of the setting on the thermostat or on the timer on the boiler.
I think I see what's happening - you've started referring to the "Gledhill BoilerMate II" as the "boiler". Since you also have a 'real' boiler, how is anyone supposed to know which one you're referring to, and when?
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