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Brian, Plumber
Category: UK Plumbing
Satisfied Customers: 845
Experience:  16 yrs. experience as plumber, including full bathroom and kitchen installations.
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Re the Kingfisher Potterton Boiler. I think ours may be an

Customer Question

Re the Kingfisher Potterton Boiler. I think ours may be an earlier version. Grey knob has one position. When open, you can turn clockwise, but then springs back. When I press the grey knob down, and repeatedly press the ignition button, still nothing happens.
Submitted: 1 year ago.
Category: UK Plumbing
Expert:  Brian replied 1 year ago.

If you cant see a spark when you press the ignition button then you will need a new ignition switch as the crystal that causes the high voltage spark has broken or worn out .