Aprilaire 8" Round Damper 2 Wire Normally Closed Ventilation Damper Model # 6508 $201.58 $129.19 Add to Cart
Aprilaire 8" Round Damper 2 Wire Normally Closed Ventilation Damper Model # 6508 Details Power open/spring close operation Two Wire Installation 24Vac, 6W, 19Va 60Hz Synchronous Type Motor Impedance protected for continuous stall Adjustable stop (in open position) $201.58 $129.19 Add to Cart
Aprilaire 10" Round Damper 2 Wire Normally Open Zone Damper Model # 6610 Details 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) $213.76 $136.22 Add to Cart
Aprilaire 12" Round Damper 2 Wire Normally Open Zone Damper Model # 6612 Details 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) $223.43 $136.29 Add to Cart
