This is for a conventional system. The heating thermostat is in the hall and was previously one of those traditional rotary ones, it was replaced a couple of years ago, when a new boiler was installed, with the Siemens. I want to put the receiver (the bit without the display) in the hall replacing the Siemens and have the control unit in the lounge.
I was assuming that as the only change was that the 2 boxes needed to talk to each other and the receiver would just use the existing wiring.
So wouls it be better to replace the programmer next to the boiler as I assume that is mains powered and do away with the thermostat in the hall? The thermostat next to the boiler controls the hot water and has the heating on constant as the REV17 in the hall was controlling that. I assume the REV24 can replace both.
The REV24 is just a room stat and your system would be better with a programmer and room stat (or programmable room stat). Not a good idea to put a room stat next to the boiler either.
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