Lennox 28G80 Limit Switch Direct OEM replacement for verified

Direct OEM replacement for verified compatibility with specific Rheem and Ruud outdoor units

Common Questions How do I test the R604221-01 switch for failure

provided the voltage

Enhanced Safety: Built-in junction block enables the integration of ECO (Energy Cut-Off) or limit switches directly into the pilot circuit

Standard Fitment: Integrated 1/2-inch bore hub for secure mounting to common motor shafts

Lennox 28G80 Limit Switch Direct OEM replacement for verifiedThe Lennox 28G80 Limit Switch is a critical safety component designed for precise thermal regulation within residential and commercial HVAC systems. This genuine OEM replacement part is engineered to monitor heat exchanger temperatures, effectively preventing equipment damage by breaking the electrical circuit if internal temperatures exceed safety thresholds. As a 110 150F auto limit switch, it is calibrated to actuate at a 150F cutout and