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

Dayton 15.8"H 11.8"W 3.7"L GStl Grvty Fire Dmpr: Static, 11 3/4 in H, 15 3/4 in W - Rectangular Fire Dampers
DaytonRectangular Fire Dampers

Dayton 15.8"H 11.8"W 3.7"L GStl Grvty Fire Dmpr: Static, 11 3/4 in H, 15 3/4 in W

The Dayton 3G-OTH-74510 is a rectangular fire damper with a curtain blade type and gravity closure, designed for vertical mounting. It measures 15.8 inches in height, 11.8 inches in width, and 3.7 inches in length…

SKU 3G-OTH-74510

Brand
Dayton
Item
15.8"H 11.8"W 3.7"L GStl Grvty Fire Dmpr: Static, 11 3/4 in H, 15 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
15 3/4 in W, 3 3/4 in L, Gravity
H
11 3/4 in
Blade Type
Curtain
Closure Type
Gravity
Mounting Position
Vertical

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-74510 is a rectangular fire damper with a curtain blade type and gravity closure, designed for vertical mounting. It measures 15.8 inches in height, 11.8 inches in width, and 3.7 inches in length, with a static rating. This product is a gravity-operated fire damper from the DAYTON brand.

Frequently Asked Questions

What is the Dayton 2TGC3 fire damper used for?

The Dayton 2TGC3 is a rectangular gravity fire damper used in HVAC systems to prevent fire and smoke spread through ducts. It is designed for vertical mounting in commercial or industrial buildings, with a curtain blade that closes automatically under gravity when heat activates the fusible link.

What are the specifications of the Dayton 2TGC3 fire damper?

The Dayton 2TGC3 is a static-rated rectangular fire damper with a curtain blade type and gravity closure. It measures 15.8 inches in height, 11.8 inches in width, and 3.7 inches in length, and is designed for vertical mounting. The manufacturer part number is 2TGC3.

Where to buy the Dayton 2TGC3 fire damper worldwide?

You can source the Dayton 2TGC3 fire damper through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time; we source and deliver this DAYTON gravity fire damper to your site.

How to install a Dayton gravity fire damper?

Install the Dayton 2TGC3 vertically in a duct opening, ensuring the curtain blade moves freely. Secure the frame per local codes, and verify the fusible link is intact. For best practice, follow NFPA guidelines and the manufacturer's instructions. 3G Electric can provide sourcing support for this DAYTON damper.

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
15.8"H 7.8"W 3.7"L GStl Grvty Fire Dampr: Static, 7 3/4 in H, 15 3/4 in W, 3 3/4 in L, Gravity (MPN 2TGC2)
Dayton
15.8"H 7.8"W 3.7"L GStl Grvty Fire Dampr: Static, 7 3/4 in H, 15 3/4 in W, 3 3/4 in L, Gravity (MPN 2TGC2)
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)
13.8"H 11.8"W 3.7"L GStl Grvty Fire Dmpr: Static, 11 3/4 in H, 13 3/4 in W, 3 3/4 in L, Gravity (MPN 2TGA9)
Dayton
13.8"H 11.8"W 3.7"L GStl Grvty Fire Dmpr: Static, 11 3/4 in H, 13 3/4 in W, 3 3/4 in L, Gravity (MPN 2TGA9)
15.75"H-W 3.7"L Squ Gravity Fire Dampr: Static, 16 in H, 16 in W, 3 3/4 in L, Galvanized Steel Frame (MPN 2TGC4)
Dayton
15.75"H-W 3.7"L Squ Gravity Fire Dampr: Static, 16 in H, 16 in W, 3 3/4 in L, Galvanized Steel Frame (MPN 2TGC4)
9.75"H 5.75"W 3.7"L GStl Grav Fire Dampr: Static, 5 3/4 in H, 9 3/4 in W, 3 3/4 in L, Gravity (MPN 2TGA3)
Dayton
9.75"H 5.75"W 3.7"L GStl Grav Fire Dampr: Static, 5 3/4 in H, 9 3/4 in W, 3 3/4 in L, Gravity (MPN 2TGA3)
11.8"H 5.8"W 3.7"L GStl Grvty Fire Dampr: Static, 5 3/4 in H, 11 3/4 in W, 3 3/4 in L, Gravity (MPN 2TGA5)
Dayton
11.8"H 5.8"W 3.7"L GStl Grvty Fire Dampr: Static, 5 3/4 in H, 11 3/4 in W, 3 3/4 in L, Gravity (MPN 2TGA5)

More from Dayton

View all Dayton parts
Fire Damper: Static, 12 in H, 24 in W, 3 3/4 in L, Galvanized Steel Frame, Galvanized Steel Blade (MPN 2TGE4)
Dayton
Fire Damper: Static, 12 in H, 24 in W, 3 3/4 in L, Galvanized Steel Frame, Galvanized Steel Blade (MPN 2TGE4)
Fire Damper: Static, 23 3/4 in H, 23 3/4 in W, 3 3/4 in L, Galvanized Steel Frame, Spring (MPN 2TGE5)
Dayton
Fire Damper: Static, 23 3/4 in H, 23 3/4 in W, 3 3/4 in L, Galvanized Steel Frame, Spring (MPN 2TGE5)
13.8"H 11.8"W 3.7"L GStl Sprng Fire Dmpr: Static, 11 3/4 in H, 13 3/4 in W, 3 3/4 in L, Spring (MPN 2TGD7)
Dayton
13.8"H 11.8"W 3.7"L GStl Sprng Fire Dmpr: Static, 11 3/4 in H, 13 3/4 in W, 3 3/4 in L, Spring (MPN 2TGD7)
5.75"H-W 12"L Spring Fire Dampr w/Sleeve: Dynamic, 5 3/4 in H, 5 3/4 in W, 12 in L, Spring (MPN 20CK17)
Dayton
5.75"H-W 12"L Spring Fire Dampr w/Sleeve: Dynamic, 5 3/4 in H, 5 3/4 in W, 12 in L, Spring (MPN 20CK17)
15.75"H 11.75"W 3.7"L GStl Fire Dampr: Dynamic, 11 3/4 in H, 15 3/4 in W, 3 3/4 in L, Spring (MPN 2TGF8)
Dayton
15.75"H 11.75"W 3.7"L GStl Fire Dampr: Dynamic, 11 3/4 in H, 15 3/4 in W, 3 3/4 in L, Spring (MPN 2TGF8)
23.75"H-W 3.7"L Square GStl Fire Dampr: Dynamic, 23 3/4 in H, 23 3/4 in W, 3 3/4 in L, Spring (MPN 2TGG3)
Dayton
23.75"H-W 3.7"L Square GStl Fire Dampr: Dynamic, 23 3/4 in H, 23 3/4 in W, 3 3/4 in L, Spring (MPN 2TGG3)
11.75"H 7.75"W 3.7"L GStl Fire Dampr: Dynamic, 7 3/4 in H, 11 3/4 in W, 3 3/4 in L, Spring (MPN 2TGF2)
Dayton
11.75"H 7.75"W 3.7"L GStl Fire Dampr: Dynamic, 7 3/4 in H, 11 3/4 in W, 3 3/4 in L, Spring (MPN 2TGF2)
9.8"H 5.8"W 3.7"L GStl Spring Fire Dampr: Static, 5 3/4 in H, 9 3/4 in W, 3 3/4 in L, Spring (MPN 2TGD1)
Dayton
9.8"H 5.8"W 3.7"L GStl Spring Fire Dampr: Static, 5 3/4 in H, 9 3/4 in W, 3 3/4 in L, Spring (MPN 2TGD1)