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Backdraft Dampers

Backdraft dampers, also called gravity dampers, keep air flowing in one direction through an HVAC duct. These dampers open when the ventilation system is running and close dynamically to prevent the backflow of air or materials.

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153 Results Found

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Results per page :  16 | 32 | 48
ALUMINUM SPRING BKDRFT DAMPER, FOR 28 IN FAN, FOR 28 IN NOMINAL DUCT DIA, SINGLE PANEL
  • DAYTON
  • ALUMINUM SPRING BKDRFT DAMPER, FOR 28 IN FAN, FOR 28 IN NOMINAL DUCT DIA, SINGLE PANEL
  • Item # WWG3HHL7
  • Mfr. Model # 3HHL7
  • EHC: EHC :

  • This 411 series manual damper includes pre-punched conduit hole knock-out, felted edges for quiet operation, is made of galvanized steel, and it measures 27¾ inch width, 27¾ inch height, 4½ inch length. This manual damper is ceiling/wall mountable.

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    SDS Document Not Found

    For assistance please contact the SDS Coordinator by email at productcompliance@grainger.ca

    CATALOGUE PAGE # 1859
Availability dates may vary based on the assortment of product in the cart and is not final until you complete your order. Check Availability:

Web Price If you have a User ID, sign in to view your account pricing. Your price may be different from the price displayed. : $110.92 / EACH

EHC: EHC :
ALUMINUM WALL BACKDRAFT DAMPER, FOR 12 IN FAN, SINGLE PANEL, 17 IN H, 17 IN W, 2½ IN D
Availability dates may vary based on the assortment of product in the cart and is not final until you complete your order. Check Availability:

Web Price If you have a User ID, sign in to view your account pricing. Your price may be different from the price displayed. : $67.89 / EACH

EHC: EHC :
ALUMINUM WALL SHUTTER, FOR 12 IN FAN, SINGLE PANEL, 17 IN H, 17 IN W, 2½ IN D, WALL
Availability dates may vary based on the assortment of product in the cart and is not final until you complete your order. Check Availability:

Web Price If you have a User ID, sign in to view your account pricing. Your price may be different from the price displayed. : $82.23 / EACH

EHC: EHC :
ALUMINUM BACKDRAFT DAMPER, FOR 20 IN FAN, SINGLE PANEL, 25 IN H, 25 IN W, 2¼ IN D
Availability dates may vary based on the assortment of product in the cart and is not final until you complete your order. Check Availability:

Web Price If you have a User ID, sign in to view your account pricing. Your price may be different from the price displayed. : $80.01 / EACH

EHC: EHC :
ALUMINUM BACKDRAFT DAMPER, FOR 12 IN FAN, SINGLE PANEL, 17 X 17 X 2 IN, FELT
Availability dates may vary based on the assortment of product in the cart and is not final until you complete your order. Check Availability:

Web Price If you have a User ID, sign in to view your account pricing. Your price may be different from the price displayed. : $65.10 / EACH

EHC: EHC :
ALUMINUM UNIV BACKDRAFT DAMPER, FOR 12 IN FAN, FOR 12 IN NOMINAL DUCT DIA, SINGLE PANEL
  • DAYTON
  • ALUMINUM UNIV BACKDRAFT DAMPER, FOR 12 IN FAN, FOR 12 IN NOMINAL DUCT DIA, SINGLE PANEL
  • Item # WWG2FTX4
  • Mfr. Model # 2FTX4
  • EHC: EHC :

  • This 411 series manual damper includes pre-punched conduit hole knock-out, felted edges for quiet operation, is made of galvanized steel, and it measures 11¾ inch width, 11¾ inch height, 4½ inch length. This manual damper is ceiling/wall mountable.

    View more View less

    SDS Document Not Found

    For assistance please contact the SDS Coordinator by email at productcompliance@grainger.ca

    CATALOGUE PAGE # 1859
Availability dates may vary based on the assortment of product in the cart and is not final until you complete your order. Check Availability:

Web Price If you have a User ID, sign in to view your account pricing. Your price may be different from the price displayed. : $41.90 / EACH

EHC: EHC :
ALUMINUM BACKDRAFT DAMPER, FOR 10 IN FAN, SINGLE PANEL, 12¾ IN H, 12¾ IN W
  • DAYTON
  • ALUMINUM BACKDRAFT DAMPER, FOR 10 IN FAN, SINGLE PANEL, 12¾ IN H, 12¾ IN W
  • Item # WWG4HX73
  • Mfr. Model # 4HX73
  • EHC: EHC :

  • This CWV series manual damper includes felted edges for quiet operation, is made of aluminum, and it measures 12¾ inch width, 12¾ inch height, 4½ inch length. This manual damper is wall mountable.

    View more View less

    SDS Document Not Found

    For assistance please contact the SDS Coordinator by email at productcompliance@grainger.ca

    CATALOGUE PAGE # 1859
Availability dates may vary based on the assortment of product in the cart and is not final until you complete your order. Check Availability:

Web Price If you have a User ID, sign in to view your account pricing. Your price may be different from the price displayed. : $50.48 / EACH

EHC: EHC :
ALUMINUM WALL SHUTTER, FOR 48 IN FAN, DOUBLE PANEL, 54 IN H, 54 IN W, 2½ IN D, WALL
Availability dates may vary based on the assortment of product in the cart and is not final until you complete your order. Check Availability:

Web Price If you have a User ID, sign in to view your account pricing. Your price may be different from the price displayed. : $382.65 / EACH

EHC: EHC :
This item requires special shipping, additional charges may apply.
ALUMINUM WALL BACKDRAFT DAMPER, FOR 20 IN FAN, SINGLE PANEL, 25 IN H, 25 IN W, 2½ IN D
Availability dates may vary based on the assortment of product in the cart and is not final until you complete your order. Check Availability:

Web Price If you have a User ID, sign in to view your account pricing. Your price may be different from the price displayed. : $99.40 / EACH

EHC: EHC :
ALUMINUM WALL SHUTTER, FOR 36 IN FAN, SINGLE PANEL, 42 IN H, 42 IN W, 2½ IN D, WALL
Availability dates may vary based on the assortment of product in the cart and is not final until you complete your order. Check Availability:

Web Price If you have a User ID, sign in to view your account pricing. Your price may be different from the price displayed. : $250.87 / EACH

EHC: EHC :
This item requires special shipping, additional charges may apply.
ALUMINUM WALL FAN SHUTTER, FOR 48 IN FAN, DOUBLE PANEL, 54 IN H, 54 IN W, 3 IN D, WALL
Availability dates may vary based on the assortment of product in the cart and is not final until you complete your order. Check Availability:

Web Price If you have a User ID, sign in to view your account pricing. Your price may be different from the price displayed. : $378.24 / EACH

EHC: EHC :
This item requires special shipping, additional charges may apply.
FIBREGLASS BACKDRAFT DAMPER, FOR 24 IN FAN, SINGLE PANEL, 27 IN H, 27 IN W, 3 IN D
Availability dates may vary based on the assortment of product in the cart and is not final until you complete your order. Check Availability:

Web Price If you have a User ID, sign in to view your account pricing. Your price may be different from the price displayed. : $216.08 / EACH

EHC: EHC :
ALUMINUM SPRING BACKDRAFT DAMPER, FOR 30 IN FAN, SINGLE PANEL, 32 IN H, 32 IN W, 1⅝ IN D
Availability dates may vary based on the assortment of product in the cart and is not final until you complete your order. Check Availability:

Web Price If you have a User ID, sign in to view your account pricing. Your price may be different from the price displayed. : $152.84 / EACH

EHC: EHC :
This item requires special shipping, additional charges may apply.
ALUMINUM WALL FAN SHUTTER, FOR 12 IN FAN, SINGLE PANEL, 17 IN H, 17 IN W, 3 IN D, WALL
Availability dates may vary based on the assortment of product in the cart and is not final until you complete your order. Check Availability:

Web Price If you have a User ID, sign in to view your account pricing. Your price may be different from the price displayed. : $80.80 / EACH

EHC: EHC :
ALUMINUM CEILING TRUSS DAMPER, FOR 30 IN FAN, SINGLE PANEL, 35 IN H, 32 IN W, 1⅝ IN D
Availability dates may vary based on the assortment of product in the cart and is not final until you complete your order. Check Availability:

Web Price If you have a User ID, sign in to view your account pricing. Your price may be different from the price displayed. : $210.64 / EACH

EHC: EHC :
This item requires special shipping, additional charges may apply.
ALUMINUM CEILING TRUSS DAMPER, FOR 42 IN FAN, SINGLE PANEL, 42 IN H, 40 IN W, 1⅜ IN D
Availability dates may vary based on the assortment of product in the cart and is not final until you complete your order. Check Availability:

Web Price If you have a User ID, sign in to view your account pricing. Your price may be different from the price displayed. : $310.63 / EACH

EHC: EHC :
This item requires special shipping, additional charges may apply.
Results per page :  16 | 32 | 48

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