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  1. C

    Central Heating timer replacement

    ...I have no idea I am afraid - I am no expert. Was just hoping to be able to swap over the existing connections.. what is the difference?
  2. C

    Central Heating timer replacement

    Hi, I have a boiler running the central heating only and I think the timer switch is broken as it keeps resetting. The current timer is a Randall E1 (think its quite old) and the heating electrics are a little over complicated. The E1 has 5 wires to it into: L,N,1,2,3. 1=n/o (i...
  3. C

    Replacing Central Heating Timer

    Hi, I have a boiler running the central heating only and I think the timer switch is broken as it keeps resetting. The current timer is a Randall E1 (think its quite old) and the heating electrics are a little over complicated. The E1 has 5 wires to it into: L,N,1,2,3. 1=n/o (i think)...
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