Yes when on continueous it fires up as and when thermostate drops below temperature.
Even in middle of night when no heating and no hot water on the MPV can still feel motor of MPV vibrating and its very hot.
Thanks for help!
Help!
Pulling our hair out!
Have a Worchester Bossch Boiler, Honeywell Programmer, thermostate, hot water thermostate.
The 3 port MPV is is always hot to touch and the motor is always on even when the valve is closed and hotnwater/heating is off.
The programmer, thermostate and MPV have all...