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Dayton 32.5"H 50.5"W Drnbl Extrd Alu Combo Dmpr: Flanged, 29 1/2 in H, 47 1/2 in W - Combination Dampers & Louvers with Drainable Blades
DaytonCombination Dampers & Louvers with Drainable Blades

Dayton 32.5"H 50.5"W Drnbl Extrd Alu Combo Dmpr: Flanged, 29 1/2 in H, 47 1/2 in W

The Dayton 20UC21 is a 32.5-inch-high by 50.5-inch-wide combination damper and louver with drainable blades, featuring a flanged design and constructed from extruded aluminum. It has a maximum air velocity rating of…

SKU 3G-OTH-76232

Brand
Dayton
Item
32.5"H 50.5"W Drnbl Extrd Alu Combo Dmpr: Flanged, 29 1/2 in H, 47 1/2 in W
Category
Combination Dampers & Louvers with Drainable Blades
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Technical Specifications

Dayton
Manufacturer Part Number
20UC21
Type
47 1/2 in W, Aluminum
H
29 1/2 in
Maximum Air Velocity
3,000 fpm
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Dayton Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Dayton 20UC21 is a 32.5-inch-high by 50.5-inch-wide combination damper and louver with drainable blades, featuring a flanged design and constructed from extruded aluminum. It has a maximum air velocity rating of 3,000 fpm and an internal free area of 29.5 inches high by 47.5 inches wide.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the Dayton 20UC21 combination damper and louver used for?

The Dayton 20UC21 is a drainable-blade combination damper and louver used in commercial and industrial HVAC systems to control airflow while preventing water ingress. Its extruded aluminum construction and flanged design suit wall openings requiring both ventilation and weather protection.

What are the specifications of the Dayton 20UC21?

The Dayton 20UC21 has a maximum air velocity of 3,000 fpm, an internal free area of 29 1/2 in high by 47 1/2 in wide, and overall dimensions of 32.5 in high by 50.5 in wide. It is made of extruded aluminum with a flanged frame and drainable blades.

Where to buy the Dayton 20UC21 worldwide?

3G Electric supplies the Dayton 20UC21 combination damper and louver to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time.

How to install the Dayton 20UC21 combination damper?

Install the Dayton 20UC21 into a flanged wall opening, ensuring the frame is level and securely fastened. Seal perimeter joints with appropriate caulk to prevent air leakage. Follow standard HVAC damper installation practices and verify blade operation before commissioning.

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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