Dayton 4HX66

Dayton

Damper, Roof Mount

4HX66 48778
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$46.46+ 3 Business Day Shipping $10.40

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Specs

ItemBackdraft Damper
TypeRoof Mount, Exhaust
Damper Size (In.)19 x 19
Overall Size (In.)21 x 21
Flange Width (In.)1
Max. Velocity (FPM)2000
Construction MaterialG-90 Galvanized Steel Frame, Aluminum Blades, Stainless Steel Pivot Pins, Nylon Bushings and Galvanized Steel Tie Rods.
Use w/Dayton Ventilators4HX83, 4HX84, 4HX94, 4HX95, 4HZ48, 4HZ49, 4HZ52, 4HZ53, 4YC48, 4YC49, 4YC72-75
Includes Pre-punched Conduit Hole Knock-out and Felted Edges For Quiet Operation
UNSPSC40101504
Weight 5.500000

Description

Backdraft Damper, Roof Mount, Exhaust, Damper Size 19 x 19 In, Overall Size 21 x 21 In, Flange Width 1 In, Max Velocity 2000 FPM, Construction Material G-90 Galvanized Steel Frame, Aluminum Blades, Stainless Steel Pivot Pins, Nylon Bushings and Galvanized Steel Tie Rods., Includes Pre-punched Conduit Hole Knock-out and Felted Edges For Quiet Operation

Restrictions
  • WARNING: Not for use with kitchen exhaust applications.

Roof-Mount
  • G-90 galvanized steel frame, 2" deep with 1" flange. Aluminum louvers, stainless steel pivot pins, nylon bushings, and felted edge. Prepunched conduit hole knockout.
  • Backdraft Dampers
  • For belt-drive centrifugal roof and wall ventilators. Max. velocity: 2000 fpm for models up to 19" and no-flange, 2250 fpm for 23" and larger.

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