Recent content by cherryturbox

no harm in changing 25 year old thermostats!.

Hi, I have checked the incoming white wire for CH demand and it is live at 240v when CH is switched on at the Danfoss, however no voltage on the orange, so yes looks like a switch problem, I believe the valve is moving correctly, so will get a new valve assembly, but I think I can change it...

Hi, I have checked voltage on the grey wire, with the danfoss timer switched on for the CH and 240v to neutral measured. what colour is the output wire from the micro switch? perhaps check voltage here. valve moves to mid position ok.

I have a gloworm boiler 1987 fitted. the radiators have individual TRV valves, there is no room thermostat, there is a Danfoss timer that switches the hot water or CH independently. The problem is the CH wont come on unless the hot water is switched on and the hot water tank thermostat is turned...