Damper, Roof Mount

  • Dayton
  • 29 In.H-W 4.5 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2250 fpm, Overall Height 29 in, Rough Opening Diameter 27 1/2 in, Rough Opening Shape Square, Fits Fan Diameter 24 in, For Duct Shape Square, Free Area 4.1 sq ft, Overall Width 29 in, Frame Material Thickness 20 ga, Overall Length 4 1/2 in, Frame Depth 2 in, Rough Opening Length 26 1/2 in

    graingerSKU: 4HX68, mscSKU: , zoro_no: G0452907, mongo_id: 65bbe92e22d7a989a993c598

Web Price
$117.11 / each
Qty

Product Details

Not Applicable
Vertical
Aluminum Blade w/ Felt Seal
Aluminum
Parallel Blades
Felt
Flat Blade
Nylon
Gravity
2,250 fpm
Aluminum Blades, G-90 Galvanized Steel Frame, Nylon Bushings and Galvanized Steel Tie Rods., Stainless Steel Pivot Pins
Yes
United States
Backdraft
27 X 27
Static
24 in
Rear Flange
1 in
1 in
Square
Not Applicable
Not Applicable
2 in
27
Galvanized Steel
20 ga
4.1 sq ft
Not Applicable
Pre-Punched Conduit Hole Knock-Out; Felted Edges for Quiet Operation
2,250 fpm
2250 fpm
180 Degrees F
1 in wc
Horizontal
1
29 x 29
Not Applicable
29 in
4 1/2 in
29 x 29
29 in
1
Not Applicable
27 1/2 in
26 1/2 in x 27.5 in
26 1/2 in
Square
27.5 in
Not Applicable
Single Acting
Normally Closed
Roof Mount, Exhaust
4HX87, 4HX98, 4YC52, 4YC53, 4YC54, 4YC55

Viewed together

Benchstand Belt, Coated, 6 in W, 48 in L, 50 Grit, Coarse, Ceramic, Predator, Yellow
$27.11 / each
Web price
Benchstand Belt, Coated, 6 in W, 48 in L, 24 Grit, Extra Coarse, Ceramic, Predator, Yellow
$40.86 / each
Web price