220 CFM Fresh Air Supply Fan for Crawl Space Ventilation
Made in the USA!
Use in conjunction with Tjernlund Crawl Space Ventilators to maximize the removal of moisture in Crawl Spaces with:
This 220 cfm fresh air supply fan for your crawl space has two fans and a 10"x18" faceplate sized for ventilation openings through block foundations. Includes freeze protection thermostat for each fan, hardware packet, and pre-wired 6' power cord. Ventilation/Relief holes in faceplate prevent crawl space pressurization and allow passive air flow in addition to the mechanical ventilation provided by the fan.Installs on inside or outside of crawl space opening or against a joist near “Dead Spots.” Air flow (CFM) of Fresh Air Supply Fans can be matched with air flow of Crawl Space Fans. Heavy duty galvanized steel construction. It can be painted.
Turn your crawl space ventilator on or off based on humidity level. For use with Models CS1, CS2, CB14
Sale Price: $108.00