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Mend Honeywell 10way Heating System

Why does my boiler stay alight?

Hello Can some one help please, my boiler stays alight even tho the programmer switches the CH and HW off its stays alight i have changed both the 3way valve and programmer what else could it be, its all connected to a 10way honeywell box could that make the boiler be doing this the pump is also new, thanks Si its not a combi boiler just a normal boiler

simon
October 2009
HoneywellHoneywell 10wayHeating, Home Heating SystemsHeating System Honeywell

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Boiler Stays Alight - Honeywell 10 Way Help