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  1. E

    STEM THERMOSTAT WIRING

    Thanks for your help guys. I`m not a sparky. What I need to know is what connections the neutral and live (blue and brown) go to on the stat
  2. E

    STEM THERMOSTAT WIRING

    How do I wire a Stem Thermostat Type C03A3-C03B3 FANTIN COSMI, the cable is already wired into my H2 panel so I just need to connect to the Stem Stat. There are four connections on the stat. Earth, 1, 2, and 4.
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