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CH Motor valve looks like it's working now even though manual lever a bit dodgy. Timer switches motor valve on and off correctly. Possibly freed the mechanism when I forced the lever to move. Will leave for now, don't fix what ain't broke... lol

Yup, 2 motor valves in 3rd bedroom cupboard with boiler unit. Looks like it's the CH motor valve that is duff, HW one moves position when timer goes on and off, CH one does not move. Manual lever very stiff and when moved feels like its not connected properly (Stiff, then very loose), but will...

Ever since we put the heating back on, and timed for the up coming colder months (About 7 weekes ago), the external boiler water pump is constantly running. The boiler has been used all year on timed for Hot Water, so has not been inactive. I have also noticed that the boiler will ignite for 30...