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    British Gas 330+ boiler. Which GlowWorm model?

    Hello, newbie question. I have searched the forum. Is the British Gas 330+ boiler that I have a re-badged GlowWorm Flexicom HX or a re-badged GlowWorm Ultracom Sxi? There are conflicting thoughts on the forum. I'd like to get a plumber to change my hot water from vented to unvented and...
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