Fusible link fire dampers are critical components in heating and ventilation systems, designed to block the spread of flames and smoke when temperatures rise. This guide highlights top fusible link options and related damper products, helping facility managers and homeowners choose reliable safety solutions. Below is a quick product summary to compare key features at a glance.
| Product | Brand | Temperature Rating | Compatibility Highlights |
|---|---|---|---|
| Fusible Link 165 Degree Dayton 2TGJ3 | Pro Chutes | 165°F (74°C) | Dayton 2TFZ dampers, Lloyd CRD, Ruskin, Becket Valve |
| Pro Chutes Trash Chute Fusible Link Kit 165° | Pro Chutes | 165°F (74°C) | Trash/Laundry chute doors; 30″ adjustable chain |
| 165 Degree Fusible Link Dayton 2TGJ2 | Pro Chutes | 165°F (74°C) | 2TGA/2TGC/2TGD families; various dampers |
| Globe Fusible Links 360 Degree | Pro Chutes | 360°F (182°C) | Damper and door link; 2 stainless hooks kit |
| PLESIU Vestal 36 Fireplace Damper | Vestal | Not specified | 36″ fireplace damper; easy installation |
Note: Safety standards and compatibility vary by damper model. Always verify that a fusible link matches your damper’s exact model and installation requirements. This article focuses on products that support fire and smoke control in residential and commercial settings.
Fusible Link 165 Degree Dayton 2TGJ3 For Fire Dampers

The Fusible Link 165 Degree Dayton 2TGJ3 is rated for 165°F and UL Standard 33 compliance. It fits Daytons 2TFZ4 through 2TFZ9 dampers, as well as multiple Lloyd Industries, Ruskin, and Becket valve configurations. The part is 1.50 inches long and 0.562 inches wide, offering a compact, compatible option for selective fire damper assemblies. This model is designed to halt the flow of fuel-related systems in the event of heat exposure, supporting both safety and code compliance.
Pro Chutes Trash Chute Fusible Link Kit 165°

This 165° fusible link kit is designed for trash chute and laundry discharge doors, offering UL listing and NFPA compliance. It includes a 30-inch adjustable chain for universal fit, addressing various horizontal and vertical configurations. The kit shuts fire dampers to block smoke and flames, reducing risk of spread and helping ensure code adherence. It is suitable for multiple door types, including guillotine and rolling fire dampers, and supports inspector-approved safety standards.
165 Degree Fusible Link Dayton 2TGJ2 For Fire Dampers

This model also carries a 165°F rating with UL Standard 33 listing. It fits multiple dampers in the 2TGA/2TGD families and various 2TGC variants, ensuring broad compatibility. The package specifies a size of 2.75 inches by 1.00 inch, making it a robust option for larger damper assemblies while maintaining reliable fusible link performance under heat exposure.
Globe Fusible Links 360 Degree

The Globe 360 Degree fusible link is rated for 360°F (182°C) and comes with a compact 2.36″ by 0.75″ footprint. It includes a dual stainless steel S-hook kit and is manufactured in the USA. This higher-temperature option suits systems requiring stronger fusible links to maintain integrity under elevated fire conditions, offering an alternative for more demanding installations.
PLESIU Vestal 36 Fireplace Damper

Vestal’s Vestal 36 fireplace damper offers straightforward installation with a cast-iron design. While not a fusible link product, it represents a common damper category used in home fireplaces. This model emphasizes durability and ease of fitting in standard 36-inch fireplace openings, contributing to efficient draft control and overall energy management when paired with appropriate safety hardware.
Buying Guide
- Temperature rating: Choose a fusible link with a rating appropriate for your application. Higher temperatures may be needed for industrial environments, while residential systems often use 165°F (74°C) variants.
- Standards and listing: Verify UL, NFPA, and other relevant listings to ensure compliance and safety performance in your jurisdiction.
- Damper compatibility: Confirm the exact damper model and series your system uses, as links must fit associated dampers or doors (e.g., Daytons, Lloyd, Ruskin, Becket).
- Installation flexibility: Look for adjustable chains or universal-fit options to minimize sizing challenges during retrofit projects.
- Installation environment: Consider certifications for laundry or trash chute applications, and assess if a 360°F-rated link is necessary for higher-temperature areas.
- Maintenance and inspection: Select products with clear inspection guidelines to support ongoing code compliance and safety checks.
- Material and build quality: Stainless steel components and USA-made options may offer increased durability in demanding settings.