Control your whole house fan with this convenient spring-wound mechanical timer from Master Flow. Set run times from 10 minutes up to 12 hours, allowing the fan to automatically shut off while you sleep or when you leave the house.

• Adjustable timing from 10 minutes to 12 hours
• Wall plate marked in 2-hour increments
• Works with motors up to 1 HP at 115V, 60Hz
• Continuous-on hold feature for uninterrupted operation
• Galvanized steel construction
• Installs in standard 2-1/2 inch deep junction box
• White wall plate and knob included

Note: Timer is open in the off position, allowing fan operation from standard pull switch when timer is not in use. Compatible with 24-30 inch whole house fans.