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home Fix label Heating label_important Home Heating Systems category Saunier Duval

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
home Fix label Heating label_important Home Heating Systems category Saunier Duvaldone
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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