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fan & pump run continuosly ?

glow worm swift flow 75. fan & pump appear to run all time and ch seems to be though not switched on, fan runs at top speed when ch switch is off

bert
July 2009
is boiler still working for hot water???
could be ntc fault, that would cause pump to run continually.
pboiler needs to be drained to replace as they are in wet pockets

barts
August 2009

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