Recent content by Andy_cheshire

I gave in and called an emergency heating engineer yesterday. He responded very quickly and replaced the thermostat. All seemed well until this morning when it cut out again so the problem must be the receiver. Hopefully he will return today with a replacement. Thanks for your interest.

Yes, I have a multimeter.

Hi Chris. The stat is normally set to 20 deg but the boiler usually switches off before the room temp has reached that. The relay is not receiving anything from the stat asking for heat (no green light) although it should be. Not sure if that answers your question!

I am having problems with the central heating stopping. It seems the communication between the HCW80 stat and the HC60NG is dropping out - the boiler stops but the room temperature has not reached the stat setting point and the green light on the HC60NG has not come on. It should be calling for...