Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
Dayton 44.5"H 50.5"W Drnbl Extrd Alu Combo Dmpr: Flanged, 41 1/2 in H, 47 1/2 in W - Combination Dampers & Louvers with Drainable Blades
DaytonCombination Dampers & Louvers with Drainable Blades

Dayton 44.5"H 50.5"W Drnbl Extrd Alu Combo Dmpr: Flanged, 41 1/2 in H, 47 1/2 in W

The Dayton 44.5"H 50.5"W Drnbl Extrd Alu Combo Dmpr is a flanged combination damper and louver with drainable blades, designed for air control applications. This aluminum unit has a maximum air velocity of 3,000 fpm…

SKU 3G-OTH-75803

Brand
Dayton
Item
44.5"H 50.5"W Drnbl Extrd Alu Combo Dmpr: Flanged, 41 1/2 in H, 47 1/2 in W
Category
Combination Dampers & Louvers with Drainable Blades
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

Dayton
Manufacturer Part Number
20UC23
Type
47 1/2 in W, Aluminum
H
41 1/2 in
Maximum Air Velocity
3,000 fpm
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

Dayton Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Dayton 44.5"H 50.5"W Drnbl Extrd Alu Combo Dmpr is a flanged combination damper and louver with drainable blades, designed for air control applications. This aluminum unit has a maximum air velocity of 3,000 fpm and measures 41 1/2 inches in height by 47 1/2 inches in width. It is manufactured by Dayton under part number 20UC23.

Frequently Asked Questions

What is a Dayton 20UC23 combination damper and louver used for?

The Dayton 20UC23 is a flanged combination damper and louver with drainable blades, used for air control in HVAC and industrial ventilation systems. It regulates airflow while preventing water ingress, making it suitable for intake or exhaust applications where both air modulation and weather protection are needed.

What are the specifications of the Dayton 20UC23 combination damper?

The Dayton 20UC23 is a 44.5"H by 50.5"W flanged aluminum combination damper and louver with drainable blades. It has a maximum air velocity of 3,000 fpm and measures 41 1/2 inches in height by 47 1/2 inches in width. The manufacturer part number is 20UC23.

Where to buy the Dayton 20UC23 combination damper worldwide?

3G Electric supplies the Dayton 20UC23 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 pricing and lead time on this aluminum drainable-blade unit.

How to install a Dayton combination damper and louver?

Install the Dayton 20UC23 combination damper and louver by mounting the flanged frame securely to the duct or wall opening, ensuring proper gasket sealing. Verify the drainable blades are oriented for water runoff. Follow standard HVAC damper installation practices and check actuator compatibility if motorized.

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
44.5"H 32.5"W Drnbl Extrd Alu Combo Dmpr: Flanged, 41 1/2 in H, 29 1/2 in W, Aluminum (MPN 20UC03). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3,000 fpm.
Dayton
44.5"H 32.5"W Drnbl Extrd Alu Combo Dmpr: Flanged, 41 1/2 in H, 29 1/2 in W, Aluminum (MPN 20UC03). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3,000 fpm.
26.5"H 50.5"W Drnbl Extrd Alu Combo Dmpr: Flanged, 23 1/2 in H, 47 1/2 in W, Aluminum (MPN 20UC20). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3,000 fpm.
Dayton
26.5"H 50.5"W Drnbl Extrd Alu Combo Dmpr: Flanged, 23 1/2 in H, 47 1/2 in W, Aluminum (MPN 20UC20). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3,000 fpm.
50.5"H 32.5"W Drnbl Extrd Alu Combo Dmpr: Flanged, 47 1/2 in H, 29 1/2 in W, Aluminum (MPN 20UC04). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3,000 fpm.
Dayton
50.5"H 32.5"W Drnbl Extrd Alu Combo Dmpr: Flanged, 47 1/2 in H, 29 1/2 in W, Aluminum (MPN 20UC04). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3,000 fpm.
26.5"H 32.5"W Drnbl Extrd Alu Combo Dmpr: Flanged, 23 1/2 in H, 29 1/2 in W, Aluminum (MPN 20UC01). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3,000 fpm.
Dayton
26.5"H 32.5"W Drnbl Extrd Alu Combo Dmpr: Flanged, 23 1/2 in H, 29 1/2 in W, Aluminum (MPN 20UC01). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3,000 fpm.
44.5"H 38.5"W Drnbl Extrd Alu Combo Dmpr: Flanged, 41 1/2 in H, 35 1/2 in W, Aluminum (MPN 20UC09). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3,000 fpm.
Dayton
44.5"H 38.5"W Drnbl Extrd Alu Combo Dmpr: Flanged, 41 1/2 in H, 35 1/2 in W, Aluminum (MPN 20UC09). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3,000 fpm.
26.5"H 62.5"W Drnbl Extrd Alu Combo Dmpr: Flanged, 23 1/2 in H, 59 1/2 in W, Aluminum (MPN 20UC34). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3,000 fpm.
Dayton
26.5"H 62.5"W Drnbl Extrd Alu Combo Dmpr: Flanged, 23 1/2 in H, 59 1/2 in W, Aluminum (MPN 20UC34). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3,000 fpm.

More from Dayton

View all Dayton parts →
42"H 45"W Drnbl Extrd Alu Combo Dmpr: Hat Channel, 47 1/2 in H, 47 1/2 in W, Aluminum (MPN 5NKJ1). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3,000 fpm.
Dayton
42"H 45"W Drnbl Extrd Alu Combo Dmpr: Hat Channel, 47 1/2 in H, 47 1/2 in W, Aluminum (MPN 5NKJ1). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3,000 fpm.
56.5"H 50.5"W Drnbl Extrd Alu Combo Dmpr: Flanged, 53 1/2 in H, 47 1/2 in W, Aluminum (MPN 20UC24). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3000 fpm.
Dayton
56.5"H 50.5"W Drnbl Extrd Alu Combo Dmpr: Flanged, 53 1/2 in H, 47 1/2 in W, Aluminum (MPN 20UC24). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3000 fpm.
62.5"H 20.5"W Drnbl Extrd Alu Combo Dmpr: Flanged, 23 1/2 in H, 17 1/2 in W, Aluminum (MPN 20UA92). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3,000 fpm.
Dayton
62.5"H 20.5"W Drnbl Extrd Alu Combo Dmpr: Flanged, 23 1/2 in H, 17 1/2 in W, Aluminum (MPN 20UA92). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3,000 fpm.
50.5"H 26.5"W Drnbl Extrd Alu Combo Dmpr: Flanged, 47 1/2 in H, 23 1/2 in W, Aluminum (MPN 20UA96). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3,000 fpm.
Dayton
50.5"H 26.5"W Drnbl Extrd Alu Combo Dmpr: Flanged, 47 1/2 in H, 23 1/2 in W, Aluminum (MPN 20UA96). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3,000 fpm.
27"H 27"W Drnbl Extrd Alu Combo Dmpr: Flanged, 23 1/2 in H, 23 1/2 in W, Aluminum, 45° Blade Angle (MPN 20UA22). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3,000 fpm.
Dayton
27"H 27"W Drnbl Extrd Alu Combo Dmpr: Flanged, 23 1/2 in H, 23 1/2 in W, Aluminum, 45° Blade Angle (MPN 20UA22). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3,000 fpm.
62.5"H 26.5"W Drnbl Extrd Alu Combo Dmpr: Flanged, 59 1/2 in H, 23 1/2 in W, Aluminum (MPN 20UA98). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3,000 fpm.
Dayton
62.5"H 26.5"W Drnbl Extrd Alu Combo Dmpr: Flanged, 59 1/2 in H, 23 1/2 in W, Aluminum (MPN 20UA98). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3,000 fpm.
62.5"H 50.5"W Drnbl Extrd Alu Combo Dmpr: Flanged, 59 1/2 in H, 47 1/2 in W, Aluminum (MPN 20UC25). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3000 fpm.
Dayton
62.5"H 50.5"W Drnbl Extrd Alu Combo Dmpr: Flanged, 59 1/2 in H, 47 1/2 in W, Aluminum (MPN 20UC25). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3000 fpm.
45"H 45"W Drnbl Extrd Alu Combo Dmpr: Flanged, 41 1/2 in H, 41 1/2 in W, Aluminum, 45° Blade Angle (MPN 20UA28). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3,000 fpm.
Dayton
45"H 45"W Drnbl Extrd Alu Combo Dmpr: Flanged, 41 1/2 in H, 41 1/2 in W, Aluminum, 45° Blade Angle (MPN 20UA28). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3,000 fpm.