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Mend Saunier Duval 30 E Boiler Central Heating

saunier duval 30 e?

just using hot water is ok. when central is on the pressure increases to over 3 bar . dicharging water via safety valve then pressure drops to 1/2 a bar.

terryroddis@googlemail.com
October 2008
Saunier DuvalSaunier Duval 30 EHeating, Home Heating SystemsBoiler Central Heating Saunier Duval
add air pressure to the expanion vessel then it should balance...

daniel servante
December 2008
Poss expansion tank. No air.

Bendan
November 2008
Pressure vessel needs recharging

a
October 2008

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Saunier Duval 30E Pressure Issue - Help