22. Flue flow sensor.
See Fig. 46.
Check that the electricity supply to the appliance is turned off.
Remove the fan assembly as described in Section 15.3(e).
Unscrew the single central retaining screw and withdraw the
sensor from the fan.
Fit the new sensor ensuring the correct orientation and carefully
tighten the retaining screw.
Refit the fan assembly in reverse order.
26
Positive
Fig. 46. Flue flow sensor.
