Help,Please, Tried to fix 3 port port motorised controller(blue box)micro-switch but failed.Does anyone know where I can get a new Blue box ?.No central heating control for months.Thanks ([email protected]).
switchmaster 900 central heating
- Thread starter roma67
- Start date
You'll be extremely lucky to find one of those 3 port valves. Now obsolete. Time to replace it I'm afraid. Not a straight forward job either. Pipe work will require altering as well as the wiring. Sorry for the bad news.
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