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Dayton 33"H 33"W Drnbl Extrd Alu Combo Dmpr: Flanged, 29 1/2 in H, 29 1/2 in W - Combination Dampers & Louvers with Drainable Blades
DaytonCombination Dampers & Louvers with Drainable Blades

Dayton 33"H 33"W Drnbl Extrd Alu Combo Dmpr: Flanged, 29 1/2 in H, 29 1/2 in W

The Dayton 33"H 33"W Drnbl Extrd Alu Combo Dmpr: Flanged (SKU 20UA24) is a combination damper and louver with drainable blades, featuring a flanged design and a 45° blade angle. It has a maximum air velocity of 3,000…

SKU 3G-OTH-76442

Brand
Dayton
Item
33"H 33"W Drnbl Extrd Alu Combo Dmpr: Flanged, 29 1/2 in H, 29 1/2 in W
Category
Combination Dampers & Louvers with Drainable Blades
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Technical Specifications

Dayton
Manufacturer Part Number
20UA24
Type
29 1/2 in W, Aluminum
H
29 1/2 in
Blade Angle
45°
Maximum Air Velocity
3,000 fpm
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Dayton Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Dayton 33"H 33"W Drnbl Extrd Alu Combo Dmpr: Flanged (SKU 20UA24) is a combination damper and louver with drainable blades, featuring a flanged design and a 45° blade angle. It has a maximum air velocity of 3,000 fpm and is constructed from aluminum, with dimensions of 29 1/2 in H by 29 1/2 in W.

Frequently Asked Questions

What is a Dayton combination damper and louver with drainable blades used for?

This Dayton unit combines a backdraft damper and a stationary louver in one flanged assembly, allowing air to pass while blocking rain and debris. It is commonly installed in commercial and industrial intake/exhaust openings where weather protection and airflow control are needed.

What are the specifications of the Dayton 20UA24 combination damper?

The Dayton 20UA24 is a 33"H x 33"W flanged aluminum combination damper and louver with drainable blades set at a 45° angle. It has a maximum air velocity of 3,000 fpm and an actual duct opening of 29 1/2 in H by 29 1/2 in W.

Where to buy a Dayton combination damper and louver worldwide?

3G Electric supplies the Dayton 20UA24 combination damper and louver to customers worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this item.

How to install a flanged combination damper and louver?

Install the Dayton flanged combination damper by securing the flange to the wall or duct opening with appropriate fasteners, ensuring the blades are oriented to drain moisture outward. Seal the perimeter with caulk or gasket to prevent air leakage. Always follow local building codes and the manufacturer's instructions.

Used in

Common applications for Dayton
HVAC ventilation — DAYTON centrifugal upblast roof exhaust fans (SKU 7M7U3) for kitchen exhaust systems
Mechanical power transmission — DAYTON HTD timing pulleys (SKU 404GV0) for conveyor belt drives
Process water handling — DAYTON self-priming centrifugal pumps (SKU 2ZXT4) for dewatering or transfer
Roofing and building services — DAYTON fixed ventilated roof curbs (SKU 4HX59) for filtered supply fan installations
Material handling — DAYTON latch assemblies (SKU 2KEN4) for electric chain hoist hook safety
Industrial air movement — DAYTON downblast roof exhaust fans (SKU 3HFL9) for clean air exhaust in manufacturing plants

Dayton Products

3G Electric supplies Dayton combination dampers & louvers with drainable blades. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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