Carrier 110000272 Limit Switch 320734-701 For technicians troubleshooting pressure switch

For technicians troubleshooting pressure switch errors or bearing noise

this model replaces older designations including P031-3222 and 34B0025N01

Environmental Protection: the dust-resistant housing prevents terminal pitting and debris buildup

the 100111077 Controller manages the entire ignition sequence

Manual Reset Safety: Prevents automatic restarts after a high-limit event

Carrier 110000272 Limit Switch 320734-701 For technicians troubleshooting pressure switchThe 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