3 hours ago Sandy asked ... Replace vertical gear on Singer Fashion Mate 252?    |    Blaablaa asked ... How can I fix?    |    pete asked ... Flymo 330 turboglide?    |    keith asked ... Fuseboard( s) location of renault trafic t1100 1993?    |    Janet asked ... Neff B1641 door not closing at top?    |    Click here to ask your question

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
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
link Click here to see other fixes for Saunier Duval.