While newer Watts 740 series units often include a SentryPlus Alert sensor

Direct OEM Compatibility: Guaranteed fit for York S1-02436139000 specifications

The 22B87 focuses on the core LP changeover components

Always verify the voltage on the data plate of the existing motor before installation to prevent module failure

What equipment uses the York S1-029-19387-014

Heil Quaker ICP 1171475 Limit 323613-751 While newer Watts 740 seriesThe Heil Quaker ICP 1171475 Limit Switch is a critical safety component engineered for precision thermal monitoring in ICP residential furnaces and HVAC systems. This fixed temperature limit control is calibrated to an open temperature of 140? F with a 30? F differential, ensuring the heat exchanger does not exceed safe operating parameters. Designed as a direct replacement part for Heil Quaker, Comfortmaker, and Tempstar units, this switch features a