Expella's External Run-on Timerallows the exhaust fan to continue running for a set time ensuring moisture and odours are cleared from a room, even if the fan switch is turned off. The run-on timer can be set to between 0 and 60 minutes ensuring your bathroom complies with National Construction Code (F8D4 5b Exhaust Systems) that requires exhaust systems to operate for 10 minutes after the light switch is turned off.
The External Run-On Timer has a universal socket to fit most exhaust fans and is available in two plug configurations: