Lou asked ... Mac Allister 35cm electric lawn mower?    |    Ronald Charlwood asked ... Beko fridge/freezer not cold enough?    |    John Broadbent asked ... Advise?    |    suzy asked ... Brother kh-940 not in sync with DAK9 in interactive knitting?    |    Susan asked ... How can I stop my steam iron spraying water with the steam?    |    Click here to ask your question

where is the loop fill valve?

need to repressurise my saunier duval semia condens boiler as i have display code 21
Emma, December 2010
do you mean " thema" if so in the center of the boiler about 3 ins / 75 mm from the front there is a large blue knob similar in shape to a screw on toothpaste top turn this anti-clockwise to fill you can also go to s/duval web site

brian, December 2010
link Click here to see other fixes for Saunier Duval.