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Mend Glowworm 30cxi Combi Heating Temperature

We have a Glowworm combi boiler and hot water is erratic?

We have a 30cxi combi boiler which constantly loses hot water going from scoulding hot to stone cold in seconds. The problem is relieved when the system is flushed through but re-occurrs after 3 -4 month intervals. No loss of heating, just erratic hot water.

D.Tillson
May 2010
GlowwormGlowworm 30cxiHeating, Home Heating SystemsCombi Heating Temperature

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Glowworm 30cxi Combi Boiler - Erratic Hot Water