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  1. J

    Heat exchanger for a Thorn 30/50 boiler

    many thanks. no it is not leaking just (I guess) scaled up as the flow is not hot enough but the HT thermostat is cutting in. I'l try descaling otherwise I'll get a new one. Ta vm guys. J.
  2. J

    Heat exchanger for a Thorn 30/50 boiler

    Can anyone tell me if the heat exchanger for the Thorn EMI 30/50B is still available as a spare part and if so where from and approx cost. Many thanks. J.
  3. J

    Apollo boiler problem

    Thanks you two. Gasmick2 - the Grunfos pump has three settings and has always been or the highest setting. Could there be an air lock somewhere and if so how could I deal with it? TWGAS - No there is no fan, just a hole in the outside wall.
  4. J

    Apollo boiler problem

    Can anyone point me in the right direction please? I have a 20+central heating system with a Thorn EMI 30/50 boiler. When it first fires up it stays alight for approx 2 minutes the cuts out for about 30 seconds, relights for approx 10 seconds and cycles like this from then on. It makes no...
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