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

Dayton 5.75"H-W 12"L Spring Fire Dampr w/Sleeve: Dynamic, 5 3/4 in H, 5 3/4 in W - Rectangular Fire Dampers
DaytonRectangular Fire Dampers

Dayton 5.75"H-W 12"L Spring Fire Dampr w/Sleeve: Dynamic, 5 3/4 in H, 5 3/4 in W

The Dayton 3G-OTH-73504 is a rectangular fire damper with a curtain blade type and spring closure, designed for horizontal mounting. It measures 5.75 inches in height and width with a 12-inch length, and includes a…

SKU 3G-OTH-73504

Brand
Dayton
Item
5.75"H-W 12"L Spring Fire Dampr w/Sleeve: Dynamic, 5 3/4 in H, 5 3/4 in W
Category
Rectangular Fire Dampers
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.
Worldwide Shipping
Air & sea freight
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
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Dayton
Type
5 3/4 in W, 12 in L, Spring
H
5 3/4 in
Blade Type
Curtain
Closure Type
Spring
Mounting Position
Horizontal

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 3G-OTH-73504 is a rectangular fire damper with a curtain blade type and spring closure, designed for horizontal mounting. It measures 5.75 inches in height and width with a 12-inch length, and includes a sleeve for dynamic applications.

Frequently Asked Questions

What is the Dayton 20CK17 fire damper used for?

The Dayton 20CK17 is a rectangular fire damper used in HVAC systems to prevent fire and smoke spread through ducts. Its spring closure and curtain blade design make it suitable for dynamic airflow applications in commercial buildings, requiring horizontal mounting.

What are the specifications of the Dayton 20CK17 fire damper?

The Dayton 20CK17 has a 5.75-inch height and width, a 12-inch length, and a curtain blade type with spring closure. It is designed for horizontal mounting and includes a sleeve for dynamic applications. The manufacturer part number is 20CK17.

Where to buy the Dayton 20CK17 fire damper worldwide?

3G Electric supplies the Dayton 20CK17 fire damper worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install the Dayton 20CK17 fire damper?

Install the Dayton 20CK17 horizontally in the ductwork, ensuring the sleeve is securely fastened. Follow NFPA 90A guidelines for fire damper placement. The spring closure activates at elevated temperatures; test operation after installation to confirm free blade movement.

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 rectangular fire dampers. 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

Compatible alternatives & equivalents

Cross-referenced by specification & description
7.75"H-W 12"L Spring Fire Dampr w/Sleeve: Dynamic, 7 3/4 in H, 7 3/4 in W, 12 in L, Spring (MPN 20CK18)
Dayton
7.75"H-W 12"L Spring Fire Dampr w/Sleeve: Dynamic, 7 3/4 in H, 7 3/4 in W, 12 in L, Spring (MPN 20CK18)
9.75"H-W 12"L Spring Fire Dampr w/Sleeve: Dynamic, 9 3/4 in H, 9 3/4 in W, 12 in L, Spring (MPN 20CK19)
Dayton
9.75"H-W 12"L Spring Fire Dampr w/Sleeve: Dynamic, 9 3/4 in H, 9 3/4 in W, 12 in L, Spring (MPN 20CK19)
11.8"H-W 12"L Spring Fire Dampr w/Sleeve: Dynamic, 11 3/4 in H, 11 3/4 in W, 12 in L, Spring (MPN 20CK20)
Dayton
11.8"H-W 12"L Spring Fire Dampr w/Sleeve: Dynamic, 11 3/4 in H, 11 3/4 in W, 12 in L, Spring (MPN 20CK20)
5.8"H-W 12"L Grvty Fire Dampr w/Sleeve: Static, 5 3/4 in H, 5 3/4 in W, 12 in L, Gravity (MPN 20CK13)
Dayton
5.8"H-W 12"L Grvty Fire Dampr w/Sleeve: Static, 5 3/4 in H, 5 3/4 in W, 12 in L, Gravity (MPN 20CK13)
11.8"H-W 12"L Grvty Fire Dampr w/Sleeve: Static, 11 3/4 in H, 11 3/4 in W, 12 in L, Gravity (MPN 20CK16)
Dayton
11.8"H-W 12"L Grvty Fire Dampr w/Sleeve: Static, 11 3/4 in H, 11 3/4 in W, 12 in L, Gravity (MPN 20CK16)
7.8"H-W 12"L Grvty Fire Dampr w/Sleeve: Static, 7 3/4 in H, 7 3/4 in W, 12 in L, Gravity (MPN 20CK14)
Dayton
7.8"H-W 12"L Grvty Fire Dampr w/Sleeve: Static, 7 3/4 in H, 7 3/4 in W, 12 in L, Gravity (MPN 20CK14)

More from Dayton

View all Dayton parts
Fire Damper: Dynamic, 5 3/4 in H, 5 3/4 in W, 3 3/4 in L, Galvanized Steel Frame, Spring (MPN 2TGE6)
Dayton
Fire Damper: Dynamic, 5 3/4 in H, 5 3/4 in W, 3 3/4 in L, Galvanized Steel Frame, Spring (MPN 2TGE6)
11.75"H 5.75"W 3.7"L GStl Fire Dampr: Dynamic, 5 3/4 in H, 11 3/4 in W, 3 3/4 in L, Spring (MPN 2TGF1)
Dayton
11.75"H 5.75"W 3.7"L GStl Fire Dampr: Dynamic, 5 3/4 in H, 11 3/4 in W, 3 3/4 in L, Spring (MPN 2TGF1)
Fire Damper: Static, 11 3/4 in H, 15 3/4 in W, 3 3/4 in L, Galvanized Steel Frame, Spring (MPN 2TGE1)
Dayton
Fire Damper: Static, 11 3/4 in H, 15 3/4 in W, 3 3/4 in L, Galvanized Steel Frame, Spring (MPN 2TGE1)
Fire Damper: Static, 16 in H, 16 in W, 3 3/4 in L, Galvanized Steel Frame, Galvanized Steel Blade (MPN 2TGE2)
Dayton
Fire Damper: Static, 16 in H, 16 in W, 3 3/4 in L, Galvanized Steel Frame, Galvanized Steel Blade (MPN 2TGE2)
23.75"H 11.75"W 3.7"L GStl Fire Dampr: Dynamic, 11 3/4 in H, 23 3/4 in W, 3 3/4 in L, Spring (MPN 2TGG2)
Dayton
23.75"H 11.75"W 3.7"L GStl Fire Dampr: Dynamic, 11 3/4 in H, 23 3/4 in W, 3 3/4 in L, Spring (MPN 2TGG2)
15.8"H 7.8"W 3.7"L GStl Sprng Fire Dmpr: Static, 7 3/4 in H, 15 3/4 in W, 3 3/4 in L, Spring (MPN 2TGD9)
Dayton
15.8"H 7.8"W 3.7"L GStl Sprng Fire Dmpr: Static, 7 3/4 in H, 15 3/4 in W, 3 3/4 in L, Spring (MPN 2TGD9)
11.8"H 9.8"W 3.7"L GStl Grvty Fire Dampr: Static, 9 3/4 in H, 11 3/4 in W, 3 3/4 in L, Gravity (MPN 2TGA7)
Dayton
11.8"H 9.8"W 3.7"L GStl Grvty Fire Dampr: Static, 9 3/4 in H, 11 3/4 in W, 3 3/4 in L, Gravity (MPN 2TGA7)
23.8"H 11.8"W 3.7"L GStl Grvty Fire Dmpr: Static, 11 3/4 in H, 23 3/4 in W, 3 3/4 in L, Gravity (MPN 2TGC6)
Dayton
23.8"H 11.8"W 3.7"L GStl Grvty Fire Dmpr: Static, 11 3/4 in H, 23 3/4 in W, 3 3/4 in L, Gravity (MPN 2TGC6)