Jo asked ... How to engage clutch on old sewing machine to engage needle?    |    Jacky asked ... Miele Vacuum cleaner?    |    Ben asked ... Toyota Yaris French or Japanese?    |    Andy asked ... How can I mend my MacAlistair 450w hedge trimmer?    |    Felix asked ... Hitachi vt-m70em?    |    Click here to ask your question

Should the fan be running constantly ?

I have a combi Glow worm swift 100. The fans runs constantly even when the heating is not switched on.
Is this correct??
Many thanks
lorraine, October 2010
yes high speed when boiler fires low speed in off mode

a, October 2010
link Click here to see other fixes for Glow-worm Swift 100.