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  1. R

    honeywell products v5069D M676A AQ6000

    I have a CH/HW primary circuit which heats flow to a honeywell V5069D mixing valve. HW and towel rails heat ok on 2 way valved circuits. M676A head sits on V5069D valve and governs water temp to u/f heating manifolds but none are working. System also has programmer and control box with wiring...
  2. R

    Halstead Best 60

    Does anyone know the startup sequence not listed in their manual, which has possibly the worst flowchart in history
  3. R

    boiler problems resolved

    If you have any problems with boilers, i can help
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