High Electrical Capacity: Rated for up to 24 FLA at 120V

and the CO-11 bellows assembly gasket to ensure a pressure-tight seal during installation

Universal Compatibility: Supports up to 3 heating and 2 cooling stages

This 48 Frame motor features a TEAO (Totally Enclosed Air-Over) enclosure and Class F insulation

McDonnell & Miller 159S Controller THPU32HP7Y High Electrical Capacity: Rated forThe McDonnell & Miller 159S Controller (Part Number 178802) is a specialized combination low water cut off and pump controller designed for heavy duty commercial and industrial steam boiler applications. Operating at a maximum pressure of 150 psi, this unit integrates a float operated mechanism with dual bi metal snap acting switches to ensure precise level management. The configuration features one SPST switch dedicated to pump control and a second