- Joined
- 13 Dec 2020
- Messages
- 3
- Reaction score
- 0
- Country
If replacing a Siemens rwb29 which has industry standard back plate N L 1 hw off 2 ch off 3 hw on 4 ch on, will hive just clip on it with no rewiring. Standard boiler and hot water cylinder. Thermostat that I will just turn up full and leave Thanks!!