central heating boiler heating comes on when only hot water

halfax · 16 Apr 2009

when my boiler as on only hot water , after a while the central heating comes on. it is a conventional boiler, any ideas ? thanks

Agile · 16 Apr 2009

Make and model of boiler and description of system?

halfax · 16 Apr 2009

potterton kingfisher 80 conventional system
thanks

Kev F · 16 Apr 2009

have you got zone valves? ie 2 way or 3way valve

halfax · 16 Apr 2009

yes a three way valve
thanks

gas4you · 16 Apr 2009

Change the 3 way valve head. The microswitch has broken.

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central heating boiler heating comes on when only hot water

halfax

Agile

halfax

Kev F

halfax

gas4you

DIYnot Local

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