Best Fusible Links for Fire Dampers: Essential Guide and Top Picks
Choosing the right fusible links for fire dampers is critical for building safety. This guide reviews five reliable options, highlighting temperature ratings, compatibility, installation considerations, and durability. Use the product snapshots below to compare fit and performance. All selections meet UL 33 standards and are designed to assist in rapid damper shutoff during a fire event.
| Product | Brand | Temperature Rating | Key Compatibility | Typical Use |
|---|---|---|---|---|
| Fusible Link 165 Degree Dayton 2TGJ3 for Fire Dampers | Pro Chutes | 165°F / 74°C | Dayton 2TFZ series dampers, Lloyd Industries CRD50-55, Ruskin FDR, etc. | Fire damper shutoff |
| Globe Fusible Links 360 Degree – Model B – 360B NFS | Pro Chutes | 360°F / 182°C | Universal damper and door linkage systems | Higher-temperature damper/door link |
| 165 Degree Fusible Link Dayton 2TGJ2 for Fire Dampers | Pro Chutes | 165°F / 74°C | 2TGA1-2TGA9, 2TGC1-2TGC9, 2TGD1-2TGD9, 2TGE1-2TGE9 | Fire damper shutoff |
| Fusible Link 165 Degree | Pro Chutes | 165°F / 74°C | Laundry chutes, trash chutes, various dampers | Fire damper and chute doors |
| Globe Fusible Links 165 Degrees Model B | Pro Chutes | 165°F / 74°C | Various manufacturers’ dampers | Standard 165° fusible link |
Fusible Link 165 Degree Dayton 2TGJ3 for Fire Dampers

TEMPERATURE = 165F (74C). STANDARDS = UL Standard 33 (Underwriters Laboratory Listed). FITS: Daytons 2TFZ4, 2TFZ5, 2TFZ6, 2TFZ7, 2TFZ8, 2TFZ9 dampers; Lloyd Industries CRD50-55, 4X, 6X; Ruskin FDR Fuse Assembly; Becket Lever Valve. SIZE: Length/Height 1-1/2″ (1.50″), Width 1/2″ (.562″).
Globe Fusible Links 360 Degree – Model B – 360B NFS

TEMPERATURE: Rating 360°F / 182°C. SIZE: Length/Height 2.36″ and Width 0.75″, Thickness 0.125″. Load Range 3 lbs. to 20 lbs. OR 9.07 kg. to 1.36 kg. BONUS: x2 Stainless Steel S Hooks Kit. Made in the USA.
165 Degree Fusible Link Dayton 2TGJ2 for Fire Dampers

TEMPERATURE = 165F (74C). STANDARDS = UL Standard 33 (Underwriters Laboratory Listed). FITS: 2TGA1-2TGA9, 2TGC1-2TGC9, 2TGD1-2TGD9, 2TGE1-2TGE9, 2TGF1-2TGF9, 2TGG1-2TGG3 dampers and more. SIZE: Length/Height 2-3/4″ (2.75″), Width 1″ (1.0″).
Fusible Link 165 Degree

TEMPERATURE = 165F (74C). STANDARDS = UL Standard 33 (Underwriters Laboratory Listed). FITS: Laundry & Trash Chute Discharge Doors / DAMPERS: Dayton, Lloyd Industries, Ruskin and other manufacturers. SIZE: Length/Height 1.626″ and Width 0.875″.
Pro Chutes Trash Chute Fusible Link Kit 165° Part

✅ MAXIMUM FIRE PROTECTION & SAFETY – 165° fusible link kit for trash chute doors and laundry chute discharge doors. Fire damper automatically shuts to block smoke and flames. UL listed and NFPA approved. ✅ ADJUSTABLE UNIVERSAL FIT – Includes a 30-inch chain that can be cut to size. Works for trash chute discharge doors, hopper doors, guillotine and rolling fire damper doors. ✅ INSPECTOR APPROVED & CODE COMPLIANT – NFPA compliant, UL listed for safety. Suitable for horizontal rolling, accordion, and linen chute doors.
Globe Fusible Links 165 Degrees Model B

TEMPERATURE: 165°F / 74°C. SIZE: Length/Height 2.36″ and Width 0.75″, Thickness 0.125″. Load Range 3–20 lb. BONUS: x2 Stainless Steel S Hooks Kit. Made in the USA.
Dorman 85620 14 Gauge Fusible Link Wire Universal Fit

Versatile solution for fuse wiring and electrical accessory installations. Durable plastic body with corrosion-resistant contacts. Simple to install with common tools. Designed for universal fit across multiple applications.
Buying Guide: Key Purchase Considerations And Comparisons
Temperature rating: Most fire-dampers use fusible links around 165°F (74°C) for standard dampers, while some high-heat applications may require 360°F (182°C). Assess the environment and damper design to select the correct rating.
Damper compatibility: Verify the model family (Dayton, Lloyd, Ruskin, etc.) and ensure the fusible link matches the damper linkage and mounting size. Some links are listed as universal, while others specify exact damper models.
UL/NFPA compliance: Look for UL Standard 33 listing and NFPA compliance where applicable to ensure approvals for regulated spaces like commercial buildings and multifamily units.
Physical dimensions: Check length, width, and thickness to ensure a proper fit inside the damper housing or along the chain/ linkage path. Some options include adjustable chains for easier sizing.
Installation considerations: Some fusible links include accessories like stainless steel S-hooks or adjustable chains. Consider maintenance access, corrosion resistance, and ease of replacement when selecting a kit or a standalone link.
Durability and sourcing: Made-in-the-USA options may offer consistent quality and quicker replacement parts. For critical safety components, choose products from reputable brands with clear warranty and support.
Cost versus value: Compare not only price but the total value across compatibility, installation ease, and long-term maintenance. A slightly higher upfront cost can reduce downtime and code violations later.