I've got a siemans rwb9 central heating controller. had a slight electrical problem in the box behind it(2 wires shorted out cos the electrician put a screw through them).Fixed that problem but when i replaced the controller my boiler seems to kick in every 5 mins for about 30 seconds but no lights come on for either CH or HW......any thoughts
central heating problem rwb9
- Thread starter stevie18
- Start date
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