motorised valve may have switched off because wall stat is faulty or power feed is gone.
mihaol, December 2010
my boiler will not light,after being off over night,but if i swicth it off and on 10 times it will light then go off then it will light sometime a noise come when it light,but when is light it will run all day,thanks
stephenpeffers, December 2009
thermistors (3 in total but come wired together in harness)(red/blue and white) are a known problem on this boiler also the potentiometers can go faulty you should be able to get both spares for around the £60 mark and a doddle to fit (all instructions will come with the spares from ideal)
