Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
Dayton Square Roof Curb - Roof Curbs
DaytonRoof Curbs

Dayton Square Roof Curb

<p>The Dayton Square Roof Curb (3G-OTH-78950) is a robust galvanized steel curb designed for filtered supply fans with a 24-1/2 in square base. It features a 20 x 20 in inside dimension and a 23 x 23 in outside…

SKU 3G-OTH-78950

Brand
Dayton
Item
Square Roof Curb
Category
Roof Curbs
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

Dayton
Type
Square Curb
Material
Steel
Finish
Galvanized
Includes
Damper Tray
Standards
UL 705
Inside Dim
20 x 20 in
Outside Dim
23 in x 23 in
For Fan Type
Filtered Supply Fans
For Use With
24-1/2 in Square Base
Curb Inside Width
20 in
Curb Outside Width
23 in

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

<p>The Dayton Square Roof Curb (3G-OTH-78950) is a robust galvanized steel curb designed for filtered supply fans with a 24-1/2 in square base. It features a 20 x 20 in inside dimension and a 23 x 23 in outside dimension, and includes a damper tray for efficient airflow control. Compliant with UL 705, this curb ensures reliable performance and durability in commercial and industrial rooftop installations.</p><p>Ideal for HVAC contractors and facility managers in Singapore, this roof curb is available through 3G Electric with SGD quotes on request. We handle GST for local buyers and offer fast delivery across Singapore and Southeast Asia, ensuring your project stays on schedule.</p>

Frequently Asked Questions

What are the exact dimensions of this Dayton roof curb?

The inside dimensions are 20 x 20 inches, and the outside dimensions are 23 x 23 inches. It is designed for use with a 24-1/2 inch square base fan.

Is this roof curb compliant with any standards?

Yes, it is UL 705 listed, ensuring it meets safety and performance standards for powered roof ventilators.

Used in

Common applications for Dayton
Manufacturing — Dayton 21XJ72 motor for machine tool coolant pumps circulates coolant during cutting, grinding, and drilling operations.
Water management — Dayton 3YU59 submersible sump pump removes water from basements, crawl spaces, and construction sites.
HVAC — Dayton 804T11 unit heater provides supplemental heating in warehouses, workshops, and garages.
Power transmission — Dayton 2X897 pillow block bearing supports rotating shafts in conveyors, fans, and other machinery.
Workshop — Dayton 2LKR8 bench grinder sharpens tools and deburrs metal parts with dust exhaust for a cleaner environment.
Fluid handling — Dayton 5RGV6 fountain pump circulates and aerates water in decorative ponds and fountains.
Not sure this is the right part? Photo-identify it→

Dayton Products

3G Electric supplies Dayton roof curbs. 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 →

More from Dayton

View all Dayton parts →
Roof Curb: Fixed Nonventilated Curbs, Square Curb, 35.5 x 35 1/2 in Inside Dim, Mfr Part #
Dayton
Roof Curb: Fixed Nonventilated Curbs, Square Curb, 35.5 x 35 1/2 in Inside Dim, Mfr Part #
Fixed nonventilated square roof curb constructed from galvanized steel. Designed for upblast fans with a 28-1/2 in square base. Includes a damper tray. Inside dimensions 24 x 24 in, outside dimensions 27 x 27 in. UL 705 listed
Dayton
Fixed nonventilated square roof curb constructed from galvanized steel. Designed for upblast fans with a 28-1/2 in square base. Includes a damper tray. Inside dimensions 24 x 24 in, outside dimensions 27 x 27 in. UL 705 listed
Roof Curb: Fixed Nonventilated Curbs, Square Curb, 34.5 x 34 1/2 in Inside Dim, Mfr Part #
Dayton
Roof Curb: Fixed Nonventilated Curbs, Square Curb, 34.5 x 34 1/2 in Inside Dim, Mfr Part #
Fixed nonventilated square roof curb made of galvanized steel. Inside dimensions 46 x 46 in, outside dimensions 49 x 49 in. Designed for mounting filtered supply fans with a 50-1/2 in square base. Complies with UL 705 standards
Dayton
Fixed nonventilated square roof curb made of galvanized steel. Inside dimensions 46 x 46 in, outside dimensions 49 x 49 in. Designed for mounting filtered supply fans with a 50-1/2 in square base. Complies with UL 705 standards

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first