The Genie 112676.0109.S is a Roller Chain. ANSI #25 roller chain, 109-pitch open-ended linear drive chain for Genie commercial door operators. Dimensions: Pitch: 0.250 inch, Roller diameter: 0.130 inch, Inner width: 0.130 inch, Overall length: approximately 27.25 inch (109 pitches x 0.250 inch). Construction: Carbon steel with standard roller chain construction. Compatible with Genie GCL series commercial door operators, Genie SX series commercial door operators, Genie MX series commercial door operators.
A: The suffix 109P indicates the chain has 109 pitches. At a standard #25 pitch of 0.250 inch per pitch, the total working length is approximately 27.25 inch.
A: This is an open-ended linear chain, not a closed loop. It is designed for linear drive applications inside Genie commercial door operator systems rather than for continuous loop sprocket drives.
A: This chain conforms to ANSI #25 roller chain standards: 0.250 inch pitch, 0.130 inch roller diameter, and 0.130 inch inner width.
A: Use a standard ANSI #25 compatible master link or connecting link when installing or splicing this chain. Always follow the Genie operator service manual for tensioning specifications.
A: Periodic lubrication with a light-grade chain oil or SAE 30 non-detergent oil is recommended. Inspect for worn, kinked, or stretched links and replace the chain if elongation exceeds manufacturer tolerances.
