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  1. C

    Combi 80 runs for a few seconds then stops, then lights agai

    Thankyou for all your replies. It was the dripping hot water tap. Gaz was right about the CH valves leaking. It is extremely hot today, especially as i left the room stat at 30 degrees. The rads are almost glowing with heat now.
  2. C

    Combi 80 runs for a few seconds then stops, then lights agai

    I have just checked the temperature around different parts of the boiler, i think that these may be a little telling of what is going on. Directly after the burner Top of pump 86 deg C At temp thermistor 86 deg C Flow isolator valve...
  3. C

    Combi 80 runs for a few seconds then stops, then lights agai

    The pump is getting to hot to touch and the ink on the printed label is running. the water is not actually boiling, and there is not any steam coming out of the top vent.
  4. C

    Combi 80 runs for a few seconds then stops, then lights agai

    Hi can someone please help me. My Potterton combi 80 when there is a heating demand, will light the main flame, the pump and fan are both running then after about 10-15 seconds the flame and fan will stop, this whole thing happens again about a minute later, and keeps happening. I...
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