Williams P323665 Thermal Cutoff L99H008 This motor is strictly rated

This motor is strictly rated for 115V AC

cap screws should be tightened to 204 in-lb to ensure a secure polyurethane-to-metal bond during operation

which is critical for the actuator's 22 lb seating force and 5/16-inch stroke to operate without binding

and Low—allow technicians to fine-tune the CFM across the heat exchanger for optimal temperature rise and latent cooling performance

verify your specific wiring diagram as fan circuitry is electrically separate from thermostatic circuitry

Williams P323665 Thermal Cutoff L99H008 This motor is strictly ratedWhen you're troubleshooting a Williams wall furnace that won't kick on despite a healthy pilot, the Williams P323665 Thermal Cutoff is a primary failure point to inspect. This genuine OEM Williams furnace part serves as a critical high limit safety switch, designed to interrupt the electrical circuit if internal temperatures exceed safe operating parameters. Specifically calibrated with a 167C (333F) trip point, this thermal link provides non