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Saunier Duval Thema F 23 E hot water not working?

Saunier Duval Thema F 23 E
needs attention because the hot water is not hot. It was suggested that it needs descaling is this likely and if so how do I do it?

MHRP
January 2008
Saunier DuvalSaunier Duval Thema F 23 EHeating, Home Heating SystemsF 23 Not
This is something you will not be able to do yourself. You will need to get someone in to descale the system. Usual prices for a complete central heating and boilder system decale are around £400.

Ali
April 2008

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Saunier Duval Thema F 23 E - No Hot Water