HCT7C: 7-Foot Chain Drive T-Rail

The Nortek Security & Control Family of Brands

Fully-assembled and pre-tensioned 7-foot chain-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 HCT7C
LDO331/3 HP Standard Single Lamp Garage Door Operator
LDO501/2 HP Deluxe Single Lamp Garage Door Operator
LSO501/2 HP Deluxe Dual-Lamp Garage Door Operator
LCO753/4 HP Deluxe Dual Lamp Garage Door Operator

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