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  1. J

    Worcester Bosch HeatSlave 20/25 HW but no CH

    Hi oilhead Thanks for your help! As above, the fan is a Bentone. Also, yes it does have a Worcester programmer (assuming you mean the digital clock/buttons on the front). It may be helpful to know the engineer fitted a Hive on his first visit - this is when the strange behaviour started...
  2. J

    Worcester Bosch HeatSlave 20/25 HW but no CH

    Hi snb Thanks for your response. I have checked and the fan is a Bentone. With regard to removing an air pocket, can I assume this would be either a and/or b bleeders in the photo I have attached? And if so, if I turn them is there a chance they will not leak/close properly after?!
  3. J

    Worcester Bosch HeatSlave 20/25 HW but no CH

    Hi, hoping there's someone here who can help! Background: I have recently moved and inherited a Worcester Bosch HeatSlave 20/25 oil combi. It played up within 2 weeks of moving in, and I've had an engineer out to fix it - about 6 times! Several things were replaced, and the heating system has...
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