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 27"H 33"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 23 1/2 in H - Drainable Stationary-Blade Louvers
DaytonDrainable Stationary-Blade Louvers

Dayton 27"H 33"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 23 1/2 in H

The Dayton 20UA47 is a drainable stationary-blade intake louver with a flanged, surface-mount design. It measures 27 inches in height and 33 inches in width, with a blade opening of 23 1/2 by 29 1/2 inches, and is…

SKU 3G-OTH-75199

Brand
Dayton
Item
27"H 33"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 23 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
20UA47
Type
Surface Mount, 29 1/2 in W, Aluminum
H
23 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 20UA47 is a drainable stationary-blade intake louver with a flanged, surface-mount design. It measures 27 inches in height and 33 inches in width, with a blade opening of 23 1/2 by 29 1/2 inches, and is constructed from extruded aluminum. This louver is rated for a maximum air velocity of 3500 fpm.

Frequently Asked Questions

What is the Dayton 20UA47 drainable louver used for?

The Dayton 20UA47 is a drainable stationary-blade intake louver designed for commercial and industrial ventilation systems. It allows outdoor air intake while blocking rain and debris, making it suitable for HVAC, equipment enclosures, and building facades where weather protection is required.

What are the specifications of the Dayton 20UA47 louver?

The Dayton 20UA47 is a flanged, surface-mount louver with a 27-inch height and 33-inch width. Its blade opening measures 23 1/2 by 29 1/2 inches, and it is constructed from extruded aluminum. It is rated for a maximum air velocity of 3500 fpm, ensuring efficient airflow with minimal pressure drop.

Where to buy the Dayton 20UA47 louver worldwide?

The Dayton 20UA47 is available to order 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 source and deliver this louver to your project site.

How to install the Dayton 20UA47 surface-mount louver?

Install the Dayton 20UA47 by securing the flanged frame to the wall or structure using appropriate fasteners, ensuring a weather-tight seal with caulk or gasket. The drainable blade design allows water runoff; orient the louver so blades slope downward. Follow local building codes and use standard HVAC mounting practices.

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
51"H 27"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 47 1/2 in H, 23 1/2 in W, Aluminum (MPN 20UA43). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3500 fpm.
Dayton
51"H 27"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 47 1/2 in H, 23 1/2 in W, Aluminum (MPN 20UA43). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3500 fpm.
27"H 57"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 23 1/2 in H, 53 1/2 in W, Aluminum (MPN 20UA73). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3500 fpm.
Dayton
27"H 57"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 23 1/2 in H, 53 1/2 in W, Aluminum (MPN 20UA73). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3500 fpm.
33"H 57"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 29 1/2 in H, 53 1/2 in W, Aluminum (MPN 20UA74). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3500 fpm.
Dayton
33"H 57"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 29 1/2 in H, 53 1/2 in W, Aluminum (MPN 20UA74). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3500 fpm.
33"H 27"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 29 1/2 in H, 23 1/2 in W, Aluminum (MPN 20UA41). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3500 fpm.
Dayton
33"H 27"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 29 1/2 in H, 23 1/2 in W, Aluminum (MPN 20UA41). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3500 fpm.
27"H 27"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 23 1/2 in H, 23 1/2 in W, Aluminum (MPN 20UA09). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3500 fpm.
Dayton
27"H 27"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 23 1/2 in H, 23 1/2 in W, Aluminum (MPN 20UA09). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3500 fpm.
51"H 21"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 47 1/2 in H, 17 1/2 in W, Aluminum (MPN 20UA37). Key specifications — Brand: DAYTON; Maximum Air Velocity: 3500 fpm.
Dayton
51"H 21"W Drnbl Extrd Alu Intake Louver: Flanged, Surface Mount, 47 1/2 in H, 17 1/2 in W, Aluminum (MPN 20UA37). 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.