No stam just replace hive reciver only,
One more thing hive hot water and heating dual channel reciver wiring is different it's work with combi boiler? Can explain how to do it
Regards
Hi there recently buy hive active heating kit, in my house Drayton digistate scr wireless reciver running i want to replace hive reciver current wireing is Blue N. Brown L. Gray 1. Black 3 i Need your help attached picture