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  1. S

    combi startup

    hi, weve got a ravenheat csi 85t, all looks ok, but at morning startup it tries to start a few times before it stays on, if i run hot water at this time it stays on ok, afternoon start up seams ok, any ideas please, condensation trap is ok and 3 way valve works when switching to hot water...
  2. S

    radiator change, cool at times

    i have changed 2 rads for more efficient ones and its wierd, some times they are hot and then not, no air in them either?
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