FAMCO Pressure Relief Bypass Barometric Damper relieves excess built-up pressure in Duct and Zoning System
FAMCO Motorized SPRING RETURN Zone Damper. Adjustable Damper Plate Stops . End Switch Option brings on/off additional equipment. 24V or 120V.
FAMCO Reversible Back Draft Butterfly Damper with Wall Vent. Reversible Air Flow direction - Air Intake or Exhaust. Galvanized or Aluminum Vent. 4" thru 12" Duct.
FAMCO Back Draft Damper in Connecting Sleeve. Opens with Normal Air Flow - Gravity Close. No Springs or Hinges. 4" thru 20" Duct