We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

Dayton 21"H 51"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 17 1/2 in H - Drainable Stationary-Blade Louvers
DaytonDrainable Stationary-Blade Louvers

Dayton 21"H 51"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 17 1/2 in H

The Dayton 20UA65 is a drainable stationary-blade intake louver with a flanged, surface-mount design. It measures 21 inches in height and 51 inches in width, with a blade opening of 17 1/2 by 47 1/2 inches, and is…

SKU 3G-OTH-75111

Brand
Dayton
Item
21"H 51"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 17 1/2 in H
Category
Drainable Stationary-Blade Louvers
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
20UA65
Type
Surface Mount, 47 1/2 in W, Aluminum
H
17 1/2 in
Maximum Air Velocity
3500 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 20UA65 is a drainable stationary-blade intake louver with a flanged, surface-mount design. It measures 21 inches in height and 51 inches in width, with a blade opening of 17 1/2 by 47 1/2 inches, and is constructed from extruded aluminum. This louver is rated for a maximum air velocity of 3500 feet per minute.

Frequently Asked Questions

What is the Dayton 20UA65 drainable louver used for?

The Dayton 20UA65 is a drainable stationary-blade intake louver used in commercial and industrial HVAC systems to allow outdoor air intake while blocking rain and debris. Its extruded aluminum construction and flanged surface-mount design make it suitable for wall openings in ventilation, exhaust, and fresh-air applications.

What are the specifications of the Dayton 20UA65 louver?

The Dayton 20UA65 measures 21 inches high by 51 inches wide, with a blade opening of 17 1/2 by 47 1/2 inches. It is made of extruded aluminum, features a flanged surface-mount design, and is rated for a maximum air velocity of 3500 feet per minute. The manufacturer part number is 20UA65.

Where to buy the Dayton 20UA65 louver worldwide?

You can source the Dayton 20UA65 louver through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine Dayton components for international projects.

How to install a Dayton drainable louver like the 20UA65?

Install the Dayton 20UA65 as a surface-mounted flanged louver by securing the frame to the wall opening with appropriate fasteners. Ensure the drainable blades are oriented to shed water outward. Seal the perimeter with weather-resistant caulk. Follow standard HVAC louver installation practices for proper airflow and drainage.

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 drainable stationary-blade louvers. 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
21"H 57"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 17 1/2 in H, 53 1/2 in W, Aluminum (MPN 20UA72). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3500 fpm.
Dayton
21"H 57"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 17 1/2 in H, 53 1/2 in W, Aluminum (MPN 20UA72). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3500 fpm.
27"H 51"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 23 1/2 in H, 47 1/2 in W, Aluminum (MPN 20UA66). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3500 fpm.
Dayton
27"H 51"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 23 1/2 in H, 47 1/2 in W, Aluminum (MPN 20UA66). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3500 fpm.
21"H 33"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 17 1/2 in H, 29 1/2 in W, Aluminum (MPN 20UA46). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3500 fpm.
Dayton
21"H 33"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 17 1/2 in H, 29 1/2 in W, Aluminum (MPN 20UA46). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3500 fpm.
45"H 51"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 41 1/2 in H, 47 1/2 in W, Aluminum (MPN 20UA69). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3500 fpm.
Dayton
45"H 51"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 41 1/2 in H, 47 1/2 in W, Aluminum (MPN 20UA69). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3500 fpm.
51"H 45"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 47 1/2 in H, 41 1/2 in W, Aluminum (MPN 20UA62). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3500 fpm.
Dayton
51"H 45"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 47 1/2 in H, 41 1/2 in W, Aluminum (MPN 20UA62). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3500 fpm.
45"H 57"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 41 1/2 in H, 53 1/2 in W, Aluminum (MPN 20UA76). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3500 fpm.
Dayton
45"H 57"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 41 1/2 in H, 53 1/2 in W, Aluminum (MPN 20UA76). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3500 fpm.

More from Dayton

View all Dayton parts
39"H 21"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 35 1/2 in H, 17 1/2 in W, Aluminum (MPN 20UA35). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3500 fpm.
Dayton
39"H 21"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 35 1/2 in H, 17 1/2 in W, Aluminum (MPN 20UA35). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3500 fpm.
51"H 51"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 47 1/2 in H, 47 1/2 in W, Aluminum (MPN 20UA17). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3500 fpm.
Dayton
51"H 51"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 47 1/2 in H, 47 1/2 in W, Aluminum (MPN 20UA17). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3500 fpm.
27"H 45"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 23 1/2 in H, 41 1/2 in W, Aluminum (MPN 20UA59). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3500 fpm.
Dayton
27"H 45"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 23 1/2 in H, 41 1/2 in W, Aluminum (MPN 20UA59). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3500 fpm.
33"H 45"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 29 1/2 in H, 41 1/2 in W, Aluminum (MPN 20UA60). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3500 fpm.
Dayton
33"H 45"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 29 1/2 in H, 41 1/2 in W, Aluminum (MPN 20UA60). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3500 fpm.
39"H 33"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 35 1/2 in H, 29 1/2 in W, Aluminum (MPN 20UA48). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3500 fpm.
Dayton
39"H 33"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 35 1/2 in H, 29 1/2 in W, Aluminum (MPN 20UA48). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3500 fpm.
51"H 57"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 47 1/2 in H, 53 1/2 in W, Aluminum (MPN 20UA77). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3500 fpm.
Dayton
51"H 57"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 47 1/2 in H, 53 1/2 in W, Aluminum (MPN 20UA77). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3500 fpm.
57"H 63"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 53 1/2 in H, 59 1/2 in W, Aluminum (MPN 20UA85). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3500 fpm.
Dayton
57"H 63"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 53 1/2 in H, 59 1/2 in W, Aluminum (MPN 20UA85). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3500 fpm.
51"H 33"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 47 1/2 in H, 29 1/2 in W, Aluminum (MPN 20UA50). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3500 fpm.
Dayton
51"H 33"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 47 1/2 in H, 29 1/2 in W, Aluminum (MPN 20UA50). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3500 fpm.