Always verify the set point on your existing switch's label before ordering

engineered to open the electrical circuit if the internal plenum temperature exceeds 220°F and automatically reset once the temperature drops by 40°F

ensuring exact physical and electrical compatibility with existing wiring harnesses

Each kit features a high-grade solenoid valve diaphragm and seat assembly

The Lennox 78M25 Reversing Valve is a critical OEM component designed for high-performance heat pump systems

Trane SEN2501 Pressure Sensor 318423-701 Always verify the set pointThe Trane SEN2501 is a critical OEM wind pressure sensor designed for high precision monitoring of differential air pressure within Trane air handlers and furnaces. As a direct cross reference for part NS2 1176 02, this component ensures your system maintains the exact airflow parameters required for efficient combustion and heat exchange. In the field, technicians rely on the SEN2501 pressure switch to provide real time feedback to the control board,