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Mend Glow-worm 40FF Home Heating Systems

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Mend Glow-worm 40FF Boiler Hot Water Ignite Central Heating

how can i fix my glow worm 40ff boiler?

hot water ok but boiler doesn't ignite when central heating is switched on. thermostat is on, but the burner light doesn't come on.

c.tonner
November 2008
Glow-wormGlow-worm 40FFHeating, Home Heating SystemsBoiler Hot Water Ignite Central Heating
the problem is most likely the mid position valve (y plan) or zone valve (if on s plan) not sending signal back.....replace !

mark
November 2008

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