It helps your dryer run efficiently while removing the warm and moist air from the dryer duct. The fan should be added in the dryer duct run when the length of the run exceeds 40 feet with no bends, 35 feet with one bend or 30 feet with two bends. The fan can be used to effectively maintain dryer exhaust in duct runs up to 130 linear feet. The DBF 4XL features a pressure switch that automatically activates the exhaust fan once the dryer is on.
Systemair Dryer Booster Kit with Fan DBF 4XL Fantech
Built In Household Ventilation Fans
Fantech DBF 4XLT Dryer Booster Kit w/FG 4XL Fan with Wall Mount Indicator Panel
Fantech Dryer Booster Fan System DBF110 - The Home Depot
Fantech Ventilation
Dryer booster fans DBF 4XL installation and operation manual fantech
Fantech DBF 4XL Dryer Booster Fan
Competitive Cross Reference S&P USA Ventilation Systems, LLC
DBF 110 is a duct booster fan designed for boosting air on demand. The product is equipped with a pressure-sensing switch that activates the fan once positive pressure is sensed in the duct line. The switch shuts the fan off when the pressure in the duct's normalized.The DBF 110 features a plastic leak-proof housing and a pressure-sensing switch. Suitable for 4 ductwork.Performance certified by HVI; safety certified by ETL to UL507.
Fantech DBF 110 Dryer Booster Fan
Fantech Dryer Booster Fan System DBF110 - The Home Depot
Fantech DBF 4XLT Dryer Booster Kit w/FG 4XL Fan with Wall Mount
FanTech DEDPV-705 4 Dryer Exhaust Fan Metal Power Ventilator, 120-1-6