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Mend Glow-worm 38CXI Boiler Heating Glowworm

system pressure rises to 3-4bar when off?

glow worm 38cxi

john timson
May 2010
Glow-wormGlow-worm 38CXIHeating, Home Heating SystemsBoiler Heating Glowworm

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Glow-worm 38CXI Pressure Issue - Help & Advice