Glow Worm 30 CXI leaking but not losing pressure

Ethan Hunt · 2026-01-21T12:02:35+0000

Hi, I have a Glowworm 30 cxi . Its leaking from underneath from the black plastic part shown . Although its been leaking water for a few days its not losing any pressure . A quick google says that it is likely to be caused by a faulty filling loop.

Any help very much appreciated

WhatsApp Image 2026-01-21 at 08.29.09.jpeg

CountryFan · 2026-01-21T12:50:54+0000

Aye, it could be. Best off with a gas safe registered engineer to fix as it's internal to the boiler

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Glow Worm 30 CXI leaking but not losing pressure

Ethan Hunt

CountryFan

DIYnot Local

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