Aprilaire 8" Round Zone Damper (Normally Open/Power Close)

Aprilaire round dampers come in all the sizes you need and work well with either rigid metal or flex duct. Adjustable blade positioning and an integrated foam seal provide flexibility for any type of zone job. Specifications Power close/spring open operation Two Wire Installation 24Vac, 6W, 19Va 60Hz Synchronous Type Motor Impedance protected for continuous stall Adjustable stop (in closed position)