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    CH not working after low guage pressure

    Solved!
  2. G

    CH not working after low guage pressure

    Pulled off diverter valve motor. Moved valve up and down manually. CH on, then HW on watched actuator move up and down. It was not moving up and down when it was fitted. Re-fitted, arm moves valve up and down (up = HW, down = CH) successfully. Seems it was just stuck in position after long...
  3. G

    CH not working after low guage pressure

    WB Greenstar 30CDi gas fired condensing boiler issue. Internal diverter valve fitted. HW working, CH not working:-( Happened possibly as a result of low gauge pressure. Even after I repressurised, CH still not working. Will the low pressure in the past, be the cause of current problem...
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