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  1. M

    Worcester Bosch Highflow 400 - Ignition HELP!

    Boiler 4 years old. OK until loft conversion with 2 new rads & shower fitted 9 months ago. New rads only warm at bottom so system was flushed. Shortly after had problem with burners igniting. Pilot on, clicking in attempt to light but would only occasionally catch. Plumber cleaned parts and...
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