Fantech VT20M Digital Bath Fan Timer Control, 20min

Fantech Digital Bath Fan Control Timer.

Ventech Controls by Fantech provide a cost-effective way to comply with code requirements for controlled ventilation in residential applications.
When used with Fantech single or dual inlet Premium Bath Fans or a Fantech centralized inline whole house fan, controls regulate fan speed and run time for intermittent or continuous ventilation.

Settings can be customized to provide the required amount of ventilation to fit the needs and lifestyle of the homeowners. The results ... improved comfort and better indoor air quality throughout the home.
Controls meet the requirements of US and Canadian building codes, utility programs, the Home Ventilation Institute (HVI), and ASHRAE Standard 62.2
Main Control (Model VT20M) can be used with up to three Auxiliary Controls (Model VT20A) to allow 20 minute high speed boost in up to four locations.
120 V, 60 Hz; maximum load: 2.5 amps
Place controls in areas of the home where specific ventilation rates are required such as baths, kitchen, laundry or workshop
Set for intermittent or continuous ventilation
Ventech Controls mount in standard single gang electrical box and require Decora-style coverplates (not included).