Don asked ... Find the charger or how to convert the battery?    |    Tanzania asked ... How can i mend my sanyo fwbp505f q?    |    Mark Goodwin asked ... Mount field 725m ride on mower?    |    Joan Sorrentino asked ... Barcalounger issue?    |    David asked ... Not starting until I bang door closed?    |    Click here to ask your question

d/h/w expansion vessel is air to be added vaillant 242?

what reason for air intake valve to domestick hot water expansion vessel
josh, January 2007
expanssion vessels have to have air in them to work, the valve is so it can be inflated

hi-spec plumbing, January 2007
link Click here to see other fixes for Vaillant.