The Genie 27335C.S is an OEM replacement drive chain for Genie chain-drive garage door openers sized for 10-foot T-rail systems, designated by the 1000 model code and associated with the Genie ChainMax 1000 series (model 3022). This genuine Genie part is the factory replacement chain for high-lift or 10-foot door height installations that use the extended T-rail configuration. The chain is engineered to the exact length and pitch required for the ChainMax 1000 and compatible 10-foot rail openers. Also referenced as 77-27335C and 27335C by some suppliers, this part is the correct factory replacement for the 1000 rail variant. Verify your opener model and rail length match the 1000 designation before ordering.
A: The 1000 code likely corresponds to the Genie ChainMax 1000 series or a chain length for 10-foot high-lift door height T-rail systems.
A: Yes, 27335C.S is specifically referenced for the Genie ChainMax 1000 (model 3022) opener, making it the correct OEM replacement for that model.
A: The part is also listed as 77-27335C and 27335C at some retailers - these refer to the same component and can be used to cross-reference availability.
A: This chain is designed for 10-foot high-lift or ChainMax 1000 T-rail systems. If your door height is 7-foot 6-inch or 8-foot standard, you would need 27335A.S or 27335B.S respectively.
A: No official legacy or superseded part numbers have been identified for 27335C.S beyond the alternate retailer listings 77-27335C and 27335C.
