LiftMaster
FDO-A/FDO-B
In-line gear drive fire door operator
The retrofit fire door operator is an automated motorized fire protection system. When a fire alarm is activated, the fire door will automatically close at a rate that meets NFPA 80 regulations. This door operator is compliant with all UL fire rating standards and works with a wide variety of fire doors.
Save time and streamline drop testing by replacing old tension loss door systems with this new technology. Drop test and auto-reset fire doors by simply turning a key.
- Dual voltage connections
- 24-Volt Control Circuit
Best warranty in the industry
Part of owning a C.H.I. garage door is knowing that you can rely on the industry’s best warranty for as long as you are the original purchaser. C.H.I. has a reputation for manufacturing quality garage doors, so it’s only fitting that our hassle-free warranty outperforms all others.
