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Recent content by Keith D

  1. K

    Worcester Highflow 400 - cutting out on CH cycle

    Thanks for the reply. What does the weep tube do? Can the d valve been manually operated?
  2. K

    Worcester Highflow 400 - cutting out on CH cycle

    Hi. My Highflow 400 is cutting out when there is demand for CH. The boiler kicks in initially when there is demand for CH, and the outlet pipe gets hot, however the return pipe remains cold/cool when the boiler cuts out, so it goes without saying the radiators are not getting warm. The system...
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