Lennox 87H90 Limit Switch reducing the risk of premature

reducing the risk of premature compressor failure or inducer motor overheating often caused by subpar aftermarket alternatives with inconsistent tolerances

this component is engineered to optimize airflow direction while maintaining structural integrity within the cabinet

it includes a 300 degree fuse link rated for 25 amps

Automatic Reset: Eliminates the need for manual intervention once temperatures return to the 135°F safety range

Easy Installation: The flange mount provides a secure

Lennox 87H90 Limit Switch reducing the risk of prematureThe Lennox 87H90 Limit Switch is a critical OEM furnace replacement part engineered for precise thermal regulation within high performance heating systems. This primary limit control features a 1. 75 inch insertion length and operates on an automatic reset logic, making it essential for maintaining safe internal plenum temperatures. As a veteran technician knows, this SPST (Single Pole Single Throw) safety device is designed to open on rise at 190F