HBT7C: 7-Foot Belt Drive Rail

The Nortek Security & Control Family of Brands

Fully-assembled and pre-tensioned 7-foot belt-drive T-rail for LDO33, LDO50, LSO50, LCO75, and LDCO800 door operators.


  • Compatible with Model CHCR-7/8 carriage house I-rail conversion kit
Models compatible with the HBT7C
Model Description
LDO33 1/3 HP Standard Single Lamp Garage Door Operator
LDO50 1/2 HP Deluxe Single Lamp Garage Door Operator
LSO50 1/2 HP Deluxe Dual-Lamp Garage Door Operator
LCO75 3/4 HP Deluxe Dual Lamp Garage Door Operator

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov