Thanks for that, much appreciated. Sorry for the dealy in responding. I've checked the port valve, I'll check if it's a switchmaster. When it's moved across to manual there is resistance so it's probably not that. As Griffo has stated it's probably the room thermostat. How do I re wire the control p...
Hi, I've recently replaced my room thermostat. This works fine, until the hot water comes on as programmed, all the radiators also come on ! The light on the thermostat comes on only when the heating is programmed as on, but does not come on when the hot water is on, but all the radiators are boilin...
