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Mend Glow Worm 30CXI Combi Boiler Pressure Loss Heating System

New Combi Boiler losing pressure?

New Glow Worm 30CXI Combi boiler fitted end Sept 2006 since when pressure dropping has been problem. Piping system has been isolated from boiler and checked with pressure of 5 - no loss in 24 hours. Pressure Relief valve replaced - pressure sensor replaced to no avail. Pressure now dropping in less than a week - result boiler switches off. Plumber (CORGI) and manufacturer both coming up with no answer as yet - Warranty runs out Sept 2008.

Wendy Fruin
January 2008
Glow WormGlow Worm 30CXIHeating, Home Heating SystemsCombi Boiler Pressure Loss Heating System
It sounds like the boiler heat exchanger is leaking...you can't really tell by looking because when water escapes it turns to steam. Time to call them back, and suggest they extend your warranty if they can't sort it!

John
January 2008

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Glow Worm 30CXI Boiler Losing Pressure - Help!