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honeywell timer

  1. D

    Honeywell wiring issues

    Hello I current have installed a honeywell st9100c timer as per the image with the wires. We are in the process of installing a Drayton wiser timer and the wiring in the unit needs to be as per the wiring diagram Please can someone tell me which wires go where as per the wiring diagram...
  2. K

    Potterton 30 boiler flashing amber (calling heat) but doesn't ignite

    Hey guys I have just purchased a house and when i turn the 24hours button on the timer for the CH the potterton boiler calls for heat (flashing amber) but doesn't respond (fire up) however, a few hours later if i try it then it does or may not. Also I set the timer (honeywell) for the boiler...
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