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    Worcester Heatslave 15 / 19 firing issue

    I think it's fair to say that my electrical competence starts and ends with wiring a plug! A new diverter valve was one of the issues we had fixed last year (previously enabling either the HW or the CH meant that both would come on regardless of which we actually asked for). That's no longer...
  2. Y

    Worcester Heatslave 15 / 19 firing issue

    We've got the built-in programmer that comes with the unit, not a remote one.
  3. Y

    Worcester Heatslave 15 / 19 firing issue

    Hi there - hoping I can get some guidance on a bit of a weird issue we're having with our Worcester Bosch Heatslave 15 / 19. After getting a host of problems (new PRV, new diverter) sorted last year, the boiler itself is working fine...sort of. The problem is that it isn't firing up on the...
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