Williams P323665 Thermal Cutoff L99H008 Durable Construction: Features a thermally

Durable Construction: Features a thermally protected motor and air-over cooling to withstand high-heat environments

Common Questions What is the proper wiring for the 4-20 mA output

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

This motor is strictly rated for 115V AC

Williams P323665 Thermal Cutoff L99H008 Durable Construction: Features a thermallyWhen 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