Thanks for that Chris.
I looked at the lever which was limp and apparently not moving anything.
I took the unit apart, removed synchron, to discover that the pin locating into the actual valve was very stiff. I think this stiffness had caused the assembly to jump out of its cog positions. Once...
Hi
The boiler is a Gas Potterton/Myson I believe
No changes have been made to the system recently
I think this is a new problem, but by that I mean that I just noticed it.
When the CH is off but the HW is on, this causes the rads to heat up also.
I hope this additional information is of...
HI there
I hope someone can point me in the right direction.
When my Thermostat CH is off but my HW is on, this causes the rads to come on also.
I think it is the three way valve close to the pump.
Am I on the right track?
Is it likely that I can just replace the syncron motor in this...