Rossi 4 in. Complete Damper Details Guarantees air flow stays balanced Handle indicates true blade position Single hand operation Exerts no force on duct system $73.29 $44.70 Add to Cart
Rossi 6 in. Complete Damper Details Guarantees air flow stays balanced Handle indicates true blade position Single hand operation Exerts no force on duct system $78.16 $47.68 Add to Cart
Rossi 8 in. Complete Damper Details Guarantees air flow stays balanced Handle indicates true blade position Single hand operation Exerts no force on duct system $84.02 $51.25 Add to Cart
Rossi 10 in. Complete Damper Details Guarantees air flow stays balanced Handle indicates true blade position Single hand operation Exerts no force on duct system $98.14 $59.87 Add to Cart
Rossi 12 in. Complete Damper Details Guarantees air flow stays balanced Handle indicates true blade position Single hand operation Exerts no force on duct system $105.65 $64.45 Add to Cart
Rossi 14 in. Complete Damper Details Guarantees air flow stays balanced Handle indicates true blade position Single hand operation Exerts no force on duct system $121.29 $73.99 Add to Cart
Aprilaire 6" Round Ventilation Damper (Normally Closed/Power Open) 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) $200.15 $122.09 Add to Cart
Aprilaire 8" Round Barometric By-Pass Damper Details Insulation proof - All openings secured preventing sprayed-in insulation from entering regulator and causing problems Obstruction proof - All moving parts protected from external obstructions Gasket material minimizes air bypass when blade is... $201.00 $122.61 Add to Cart
Aprilaire 8" Round Ventilation Damper (Normally Closed/Power Open) 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 $122.97 Add to Cart
Aprilaire 10" Round Zone Damper (Normally Open/Power Close) 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 $130.39 Add to Cart