Recent content by slast

  1. S

    erratic CM67 / HC60 : won't come on or stay on with demand

    System installed in old house in 2006. Worcester Greenstar Ri boiler, Honeywell CM67/61NG Room Unit and HC60NG relay box plus Drayton Lifestyle Dual Channel LP 522 programmer. System was last serviced 2 months ago. I am experiencing very erratic, mostly non – operation of the heating system and...
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