Its Type 154 construction includes high-quality electrical-grade thermosetting resin for superior insulation and a temperature rating of -40°F to 150°F

This auto limit switch functions as a primary safety control

if the switch is open and the reset button is engaged

Color-coded pink spring design allows for rapid field identification during manifold service

recent technical specifications confirm that this component is A2L compliant

Lennox 49L87 Limit Switch Its Type 154 construction includesThe Lennox 49L87 Limit Switch is a critical safety component designed for precise thermal regulation in residential gas furnaces and commercial heating systems. As a genuine OEM replacement part, this normally closed (NCO) limit control is engineered to open the electrical circuit upon reaching its fixed 230F cut out temperature, effectively preventing heat exchanger damage and hazardous conditions. Once the system cools to the 200F cut in