Lennox 18K77 Motor THPU32HP7Y one set of contacts on

one set of contacts on the S1-2940-3571 is designated to trigger the indoor blower to ensure sufficient airflow is established before the elements reach peak temperature

ensuring high motor efficiency and reduced heat generation during operation

This OEM furnace safety part is engineered to monitor the burner vestibule and instantly interrupt the heating circuit if it detects a flame rollout or excessive heat buildup

this ICP 1175516 expansion valve kit

This assembly is the official successor to the S5152-051

Lennox 18K77 Motor THPU32HP7Y one set of contacts onThe Lennox 18K77 is a high performance, 1 5 HP blower motor designed specifically for integration within established residential and light commercial HVAC systems. This direct drive blower motor operates at 208 230V and features a 3 speed configuration, providing flexible airflow management to meet precise load requirements. Engineered with a standard 1075 RPM rating and a 48Y frame, this PSC motor utilizes sleeve bearings for quiet, continuous duty