Lennox 28G80 Limit Switch Standard Fitment: Integrated 1/2-inch bore

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

reducing unnecessary service calls for contractors

The Weil McLain 511-210-423 Drain Valve is a heavy-duty brass boiler drain valve engineered specifically for hydronic heating systems

providing a nominal capacity of approximately 1/3 to 1/2 ton depending on the refrigerant and temperature range

and 1182 series controls

Lennox 28G80 Limit Switch Standard Fitment: Integrated 1/2-inch boreThe 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