Recent content by Zandana

Any way to tell for sure? Have a multi meter but not sure where to start... When I manually override the Honeywell to open (with commands off) there is resistance and it springs back slowly after. Can hear water moving around and pump goes quiet when I do this. Not sure if that info adds anything

Hi all, appreciate a little help on this one. I have an oil boiler (thermecon) in kitchen and hot water tank (megaflo) upstairs in airing cupboard. In airing cupboard there is a grundfos pump running continuously, and two zone valves: metal Honeywell and plastic covered Drayton. Boiler is...