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the water pressure is below 1 bar ?

my boiler is saunier duval thelia 23 and the water pressure keeps going below 1 bar firstly is this dangerous and should I turn the system off and also how & can it be fixed
marina, February 2011
hi have you seen any water dripping

mjm fix it, March 2011
You will need to get a plumber out to look at the boiler it needs the pressure gauge turning to get the pressure back up to 3

Petey, February 2011
link Click here to see other fixes for Saunier Duval.