Carrier 110000272 Limit Switch 320734-701 Fail-Safe Operation: Mechanical spring return

Fail-Safe Operation: Mechanical spring return to the stem-up position ensures system safety during a loss of pilot air

For technicians troubleshooting pressure switch errors or bearing noise

Emission Compliance: Engineered to meet Low NOx combustion requirements without sacrificing flame stability

verify the VA rating of your specific power source or use an isolation relay with additional transformers

Carrier 110000272 Limit Switch 320734-701 Fail-Safe Operation: Mechanical spring returnThe 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