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phelim

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phelim

Gloworm Swiftflow 100 pressure problem

The pressure on my Gloworm swiftflow 100 increases from 1 Bar to 4 Bar when I turn the central heating on. The pressure then drops to zero,there is no problem with the filling loop?
10:19 Fri 01st Oct 20041 answer, last by boilerman 2 17:22 Sat 20th Nov 2004

Only 1 question