Lennox 74W75 Limit Switch 319848-301 Manufactured to handle high-temperature combustion

Manufactured to handle high-temperature combustion environments

Universal Shaft Compatibility: Native support for 1/2-inch round shafts with easy adaptation for 3/8-inch round or square shafts using standard KMC hardware

This valve is engineered to withstand high-pressure environments typically found in R-410A refrigerant systems

Key Benefits: EPDM construction provides exceptional resistance to heat

Lennox 74W75 Limit Switch 319848-301 Manufactured to handle high-temperature combustionThe Lennox 74W75 Limit Switch is a genuine OEM safety component specifically calibrated to open the circuit at 225F, providing essential high limit protection for your heating system. As a Lennox furnace limit switch replacement, this fixed temperature control prevents the heat exchanger from reaching critical temperatures that could lead to structural fatigue or safety hazards. For technicians, installing a genuine Lennox 74W75 ensures the system