@ericmark. Thanks very much for taking the time to put together that very thorough explanation. You obviously know a lot more about this topic than I do. I’m a complete novice and know next to nothing about heating systems, boilers, etc.
I suppose this might be a good time to replace the...
Hi lloyda. Thanks for your response.
The thing is, the unit in your photo has a different circuit board to mine so I don’t know if it will be compatible. Do you know? I rather not have to swap out the back box (redo the wiring, etc.) and just slot the new cover and pcb into place on the...
Hi ericmark. Thank you for your response. As with other cases I’ve read about with faulty HC60NG units, it does work momentarily and fires up the boiler but won’t stay on (so not just a flat battery, unfortunately).
NB. I have tried re-paring the receiver and thermostat but that made no difference.
Hi
Can anyone help please? I have (what I think is) a Honeywell HC60NG Receiver/Relay unit that has failed. Despite the fact that I have their “top of the range” boiler and CH cover, SSE Home Services are refusing to cover the cost of replacement because, they say, the unit is obsolete and...