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HI Could anyone help me i am changing my honeywell st699 to hive and i have followed the wiring diagram but the boiler doesn't seem to be kicking in could someone let me know if this is done right. Thanks, Robbie

Hi I am studying to become a service and breakdown engineer and I came across a Honeywell st699 today and was wondering from the picture would anyone be able to tell me which wires are from the heating thermostate. Thanks