ensuring exact physical dimensions and electrical compatibility without needing field modifications to the mounting brackets or wiring harnesses

Code 31 or 32) due to vacuum loss

Internal Motor Protection: Features internal line break protection to guard against over-current and high-temperature scenarios

the 316203A and the 316203A/U are the same physical component

or intermittent sensor bus failures that cannot be resolved via software reloads

Lennox 57W38 Limit Switch 322027-701 ensuring exact physical dimensions andThe Lennox 57W38 Limit Switch is a critical OEM replacement part designed for high limit temperature monitoring in residential gas and electric furnaces. This SPST (Single Pole Single Throw) safety control features a 3 inch insertion length, making it compatible with specific Lennox, Allied, Armstrong, and Ducane heating units. Engineered for precise thermal regulation, the switch is calibrated to open the circuit at 180F to prevent heat exchanger