esrtp4

  1. S

    Thermostat change from manual to programmable

    I have an old RTS1 thermostat with wires at N (blue) L(brown) and 3 (green). I wish to replace it with an ESRTP4 (NOT wireless). I assume that I should wire the Blue to 1, Green to 2 and Brown to 3 but I need some assurance. Can you help, please?
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