Recent content by Nezza42

Thanks for the replies, I'll take a look behind it & see what's there :/

Hi, newbie here, with my first post. I have an old Randall 4033 timer that controls the boiler for central heating and hot water (not a combi boiler) There's also a Honeywell wall mounted stat. I would like to replace it with a modern system (preferably with a wireless stat and using the...