Pekaye asked ... Clutch Cable change?    |    Richard asked ... Mountfield SP414 mower, revs too high?    |    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?    |    Click here to ask your question

Help fix Optimax HE 31 C Boiler. F37 Error?

Optimax HE 31 C Boiler. F37 Error. There are 2 blue valves and 2 black. Which ones should I open and which position should open face? Lost. Thanks.
Ash, November 2009
link Click here to see other fixes for Baxi HE 31 C.