Lennox 27J29 Limit Switch preventing hazardous conditions caused by

preventing hazardous conditions caused by restricted venting or heat exchanger failure

Industrial Durability: Rated for severe operating temperatures (-30°F to 140°F) and built with a split-bobbin design for enhanced safety

Field installation requires verifying the bracket’s orientation to ensure the venter wheel and isolator bushings remain properly centered within the venter housing out-let

Always verify your regulator model number before installation

Lennox 27J29 Limit Switch preventing hazardous conditions caused byThe Lennox 27J29 Limit Switch is a critical safety component designed for precise thermal regulation in residential and light commercial HVAC systems. This automatic reset limit control features a 7 inch insert, engineered to monitor internal heat exchanger temperatures and prevent catastrophic overheating. With a cut out temperature of 220F and a cut in temperature of 190F, this switch provides a reliable 30F differential, ensuring your furnace or