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  1. C

    Heatslave 15/19 oil boiler - intermittent lockout issue

    It’s firing but then locks out again.
  2. C

    Heatslave 12/18 (2018)

    It’s giving me and 856 code now. how do I bleed the pipes through please
  3. C

    Heatslave 12/18 (2018)

    How would I clear a blockage ?
  4. C

    Heatslave 12/18 (2018)

    My oil combi Heatslave keeps locking out. Code 9f I have oil and filters are new. Any ideas anyone ? It’s firing but won’t stay on for more than 10 mins a time.
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