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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.

https://catalogue.grainger.ca/?hybris=true

153 Results Found

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Results per page :  16 | 32 | 48
ALUMINUM WALL FAN SHUTTER, FOR 54 IN FAN, DOUBLE PANEL, 57 IN H, 57 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. : $553.20 / EACH

EHC: EHC :
This item requires special shipping, additional charges may apply.
FIBREGLASS BACKDRAFT DAMPER, FOR 30 IN FAN, SINGLE PANEL, 33 IN H, 33 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. : $265.68 / EACH

EHC: EHC :
ALUMINUM CEILING TRUSS DAMPER, FOR 24 IN FAN, SINGLE PANEL, 32 IN H, 26 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. : $172.71 / EACH

EHC: EHC :
ALUMINUM BACKDRAFT DAMPER, FOR 8 IN FAN, SINGLE PANEL, 10¾ IN H, 10¾ IN W, 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. : $37.53 / EACH

EHC: EHC :
ALUMINUM BACKDRAFT DAMPER, FOR 12 IN FAN, SINGLE PANEL, 17¾ IN H, 17¾ IN W
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. : $86.64 / EACH

EHC: EHC :
ALUMINUM BACKDRAFT DAMPER, FOR 12 IN FAN, SINGLE PANEL, 17 IN H, 17 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. : $52.64 / EACH

EHC: EHC :
ALUMINUM BACKDRAFT DAMPER, FOR 36 IN FAN, FOR 36 IN NOMINAL DUCT DIAMETER, SINGLE PANEL
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. : $140.49 / EACH

EHC: EHC :
This item requires special shipping, additional charges may apply.
ALUMINUM INTAKE SHUTTER DAMPER, FOR 48 IN FAN, SINGLE PANEL, 50¾ IN H, 50¾ IN W
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. : $498.78 / EACH

EHC: EHC :
This item requires special shipping, additional charges may apply.
ALUMINUM BACKDRAFT DAMPER, FOR 12 IN FAN, SINGLE PANEL, 14¾ IN H, 14¾ IN W
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. : $64.81 / EACH

EHC: EHC :
ALUMINUM WALL FAN SHUTTER, FOR 60 IN FAN, DOUBLE PANEL, 63 IN H, 63 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. : $763.81 / EACH

EHC: EHC :
This item requires special shipping, additional charges may apply.
ALUMINUM BACKDRAFT DAMPER, FOR 54 IN FAN, DOUBLE PANEL, 57 IN H, 57 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. : $687.81 / EACH

EHC: EHC :
This item requires special shipping, additional charges may apply.
ALUMINUM WALL BACKDRAFT DAMPER, FOR 20 IN FAN, SINGLE PANEL, 23 IN H, 23 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. : $83.46 / EACH

EHC: EHC :
ALUMINUM CEILING SHUTTER DAMPER, FOR 48 IN FAN, SINGLE PANEL, 50 IN H, 50 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. : $499.55 / EACH

EHC: EHC :
This item requires special shipping, additional charges may apply.
ALUMINUM WALL BACKDRAFT DAMPER, FOR 60 IN FAN, DOUBLE PANEL, 63 IN H, 63 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. : $661.56 / EACH

EHC: EHC :
This item requires special shipping, additional charges may apply.
FIBREGLASS BACKDRAFT DAMPER, FOR 12 IN FAN, SINGLE PANEL, 15 IN H, 15 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. : $146.44 / EACH

EHC: EHC :
SS BACKDRAFT DAMPER, FOR 20 IN FAN, SINGLE PANEL, 23 IN H, 23 IN W, 2 IN D, HORIZONTAL
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. : $358.56 / EACH

EHC: EHC :
Results per page :  16 | 32 | 48

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