Recent content by 5uperNova

Hi Stem Thank you for the reply. You are correct in assuming that it is a combi boiler without a hot water cylinder. The only other control for the heating is a Honeywell CM921 which will get decommissioned once the R6660D is replaced. My only query is that you have said R6660D A = Hive (1)...

Hello I recently purchased a Hive Active Heating to replace a Honeywell setup with a Valiant boiler. I thought I would luck out and that the Honeywell receiver next to the boiler would have a compatible backplate to simplify the install. Turns out my receiver is a Honeywell R6660D which is...