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Thanks, I'll take a closer look once ms_com gets up. Hard to diagnose faults with something you don't fully understand while a toddler screams at you for doing other basic things wrong.
stevo_com-
Hard to diagnose faults with something you don't fully understand while a toddler screams at you for doing other basic things wrong.
I concur.
The valves were fucked on ours so the previous or their man had permanently set the heating circuit on and they were using the immersion for hot water. Control box and stat did nothing - the boiler would burn until it was powered off.
“Oh no we’ve never had any problems with the central heating...”
Ripped the whole lot out in week 3 - new tank, boiler, control box, Tado on the rads. New vertical flue when we do the roof in March.
Howard
Worth finding out if you have any motorised valves and where they are. They can get unreliable with age but changing the motor or head is easy if you are comfortable with electrics.