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    Worcester Bosch Greenstar 35i Boiler making jet noise.

    oops sorry, As I said, new to this.
  2. S

    Worcester Bosch Greenstar 35i Boiler making jet noise.

    Hi guys bit new to this so sorry to jump in on a forum but having similar probs with greenstar oil combi. Started not doing the hot water and pump making loud whining noise. Been told prob diverter valve but not sure.
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