Carrier 110000272 Limit Switch 318518-761 Part 100274785 is the official

Part 100274785 is the official updated OEM number and acts as a direct replacement for the legacy part number 0383792

Using an OEM Modine limit switch ensures the safety circuit operates within the exact tolerances of the original equipment engineering

providing the mechanical force necessary for consistent damper motor operation

it typically does not require specific polarity

Carrier 110000272 Limit Switch 318518-761 Part 100274785 is the officialThe Carrier 110000272 Limit Switch is a critical high limit safety component engineered for precise thermal regulation in Carrier, Bryant, and Payne heating systems. This OEM replacement part is calibrated as an L165 40F limit switch, meaning the internal contacts are designed to open at 165F to prevent heat exchanger damage and automatically reset once the temperature drops to 40F. Featuring a robust snap action mechanism and a double break contact