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Mend Saunier Duval SD623 Home Heating Systems

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Mend Saunier Duval SD623 Boiler Ignites Turned

boiler ignites intermittantly?

the saunier duval sd623 combi boiler ignites sometimes when tap is turned on, it can fire up several times in a row and when it doesn;t light up if you turn the Max/Min dial back and forth a couple of times it fires up. what is the problem?

Mr Nugent
September 2007
Saunier Duval SD623Heating, Home Heating SystemsBoiler Ignites Turned
WATER VALVE DIAPHRAGM

Bendan
September 2008
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Free repair help for Saunier Duval SD623 home heating systems
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