Mend Heating, Home Heating Systems

Heating, Home Heating Systems
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Home Heating Systems

Mend Mend Heating, Home Heating Systems

Boss Programmer?

I have a Boss BUP2 boiler programmer which I am unable to switch on. I follow the instructions as far as "Set Status" When selecting Central Heating I get no further. Can You help or advise please?

Mr Cliff Reid
September 2022

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