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Mend Glow-worm Combi Boiler Low Water Pressure Central Heating

low water pressure light on my combi boiler?

the low water pressure light keeps flashing - usually first thing in the morning. How do I solve it? It is a glow worm combi boiler and the problem has started since I put the central heating on.

richard
November 2010

Glow-worm Heating, Home Heating Systems Combi Boiler Low Water Pressure Central Heating

in morning what is pressure guage reading, if around 1/2 to 1/4 of bar low pressure light is telling you system needs water (add to approx 1 bar via filling loop)

when boiler system heats up water will expand pressure will increase hence low water light would go off

deano
November 2010

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Glow-worm Boiler: Low Water Pressure - Fix