DaytonRoof-Curb Adapters

Dayton Roof Curb Adapter: 33 1/2 in Fan Base, 40 in Curb

The Dayton Roof Curb Adapter (SKU 3AZL3) is a steel, galvanized roof-curb adapter designed to adapt a 34-inch fan base to fit a 40-inch roof curb for downblast fans. It includes (12) 1/4-20 x 3/4 bolts.

SKU 3G-OTH-79259

Brand

Dayton

Item

Roof Curb Adapter: 33 1/2 in Fan Base, 40 in Curb

Technical Specifications

Dayton

Manufacturer Part Number

3AZL3 

Type

Adapts 34 in Fan Base to Fit 40 in Roof Curb 

Material

Steel 

Curb

40 in 

Finish

Galvanized 

Function

Adapts 34 in Fan Base to Fit 40 in Roof Curb 

Includes

(12) 1/4-20 x 3/4 Bolts 

For Fan Type

Downblast Fans 

View Full Spec Sheet

Technical Documents

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Dayton Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

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 a Dayton roof curb adapter used for?

A Dayton roof curb adapter, like the 3AZL3, adapts a 34-inch downblast fan base to fit a 40-inch roof curb. It is used in commercial HVAC installations to match fan equipment to existing roof curbs without structural modifications.

What are the specifications of the Dayton 3AZL3 roof curb adapter?

The Dayton 3AZL3 roof curb adapter is made of galvanized steel, adapts a 34-inch fan base to a 40-inch curb, and is designed for downblast fans. It includes (12) 1/4-20 x 3/4 bolts. The finish is galvanized for corrosion resistance.

Where to buy a Dayton roof curb adapter worldwide?

3G Electric supplies the Dayton 3AZL3 roof curb adapter worldwide. As a global industrial solutions provider, we handle logistics, customs, and delivery to your site. Contact us for availability and lead time on this adapter.

How to install a Dayton roof curb adapter?

To install a Dayton roof curb adapter, first ensure the roof curb is clean and level. Position the adapter over the 40-inch curb, align the bolt holes, and secure using the included (12) 1/4-20 x 3/4 bolts. Then mount the 34-inch downblast fan base onto the adapter.

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 roof-curb adapters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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