Williams P323665 Thermal Cutoff Refrigerant fitting popular models like the

fitting popular models like the 24ABB3 and GA4SAN series

Vibration Resistance: The brass armored sleeve protects the internal copper line from mechanical damage and abrasive friction

Is the R04320 compatible with all AAON condenser fans

featuring identical 1/2" sweat connections and displacement

which maintains the dial timing for up to 16 hours during power interruptions

Williams P323665 Thermal Cutoff Refrigerant fitting popular models like theWhen 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