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Connect Siemens RWB27Si Timeswitch wireless thermostat to baxi combi boiler.

View the thread, titled "Connect Siemens RWB27Si Timeswitch wireless thermostat to baxi combi boiler." which is posted in Boiler Advice Forum on UK Plumbers Forums.

Deputyder

Deputyder

Hi, I just wanted to ask if the receiver of a wireless thermostat would use the current wiring I have to a external programmer? I have a Baxi platinum 28 boiler.
 
Yes this should be ok, but check it out first. I’d say being a Baxi, it might not have 24v. Is it a Combi boiler?
 
Undertrained said:
Yes this should be ok, but check it out first. I’d say being a Baxi, it might not have 24v. Is it a Combi boiler?
Click to expand...
currently have a Siemens RWB27Si Timeswitch connected and I want to connect a Salus IT500 receiver. Just want to know if the wires from the boiler will operate it, with a straight swap?
 
Might not be a straight swap, but should be doable. I believe Salus are not very good. When you have purchased it, post wiring of the Siemens and we can advise on the wiring.
 
So the current programmer is using terminals 2 & 4 but a video I watched says use 1 & 2 on hive. Will I just swap 2 to 1 and 4 to 3 on new receiver?

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