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Dayton 39"H 51"W Drnbl Extrd Alu Combo Dmpr: Flanged, 35 1/2 in H, 47 1/2 in W - Combination Dampers & Louvers with Drainable Blades
DaytonCombination Dampers & Louvers with Drainable Blades

Dayton 39"H 51"W Drnbl Extrd Alu Combo Dmpr: Flanged, 35 1/2 in H, 47 1/2 in W

The Dayton 39"H 51"W Drnbl Extrd Alu Combo Dmpr is a flanged combination damper and louver with drainable blades, designed for air control applications. This unit features a 45° blade angle and measures 35 1/2 inches…

SKU 3G-OTH-75757

Brand
Dayton
Item
39"H 51"W Drnbl Extrd Alu Combo Dmpr: Flanged, 35 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
20UA29
Type
47 1/2 in W, Aluminum
H
35 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 39"H 51"W Drnbl Extrd Alu Combo Dmpr is a flanged combination damper and louver with drainable blades, designed for air control applications. This unit features a 45° blade angle and measures 35 1/2 inches in height by 47 1/2 inches in width, constructed from aluminum. It supports a maximum air velocity of 3,000 fpm, as specified by the manufacturer.

Frequently Asked Questions

What is the Dayton 20UA29 combination damper used for?

The Dayton 20UA29 is a flanged combination damper and louver with drainable blades, used for air control and ventilation in commercial or industrial HVAC systems. It regulates airflow while preventing water ingress, making it suitable for outdoor air intake or exhaust applications where both airflow modulation and weather protection are needed.

What are the specifications of the Dayton 20UA29?

The Dayton 20UA29 is a 35 1/2 in H by 47 1/2 in W aluminum combination damper with a 45° blade angle. It supports a maximum air velocity of 3,000 fpm. The unit is flanged for duct mounting and features drainable blades to shed moisture. The manufacturer part number is 20UA29.

Where to buy the Dayton 20UA29 worldwide?

3G Electric supplies the Dayton 20UA29 combination damper to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact our team to place an order or request a quote for international shipping.

How to install the Dayton 20UA29 combination damper?

Install the Dayton 20UA29 by mounting the flanged frame securely to the duct opening using appropriate fasteners. Ensure the damper is oriented with drainable blades sloping downward for proper water drainage. Connect the actuator (if used) per manufacturer instructions. Verify blade operation and seal 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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