Mechanical heat activated device specifically Designed for Standard Type Fire Dampers. This product is listed by Underwriters Laboratories. Comes to You Ready to Install.
Manufactured to your center-to-center dimension
Clover hooks made of galvanized wire material
Uses our Model G Fusible Link as the thermal activator
Maximum load = 45 lbs. (20.41 kg.)
Minimum load = 3 lbs. (1.36 kg.)
ADDITIONAL NOTES
We strongly advise adherence to NFPA 80 chapter 5: Fire Door Care and Maintenanc
???e. In view of the life safety nature of this product, we recommend release of the link by heat gun followed by replacement.NFPA 80 CHAPTER 19 Testing of Fire/Smoke Dampers:NFPA 80 chapter 19.4.4 states the test frequency of fire dampers shall be every 4 years. Due to the life safety nature of the fusible link portion of this damper we recommend replacement at this time and destruction of the replaced link.