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  1. N

    Honeywell ST799 timer for gas central heating

    I have a feelings its just broken. Thanks ill get someone out.
  2. N

    Honeywell ST799 timer for gas central heating

    Dear All. Help please...the timer we have has stopped working. The clocks still working but the redlights which indicate either the waters heating or the central heating is running are not coming on when the bars to turn both on are slid over. Added to this the thermostat which runs off...
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