using the specific Amana-Goodman B1370150 is recommended to ensure the set point and reset point align perfectly with the original equipment’s logic board

If your diagnostic workflow requires visual confirmation of coil energy

For technicians managing commercial or laboratory mechanical systems

allowing it to interface with a wide range of DDC controllers

maintaining the same physical dimensions and pressure specifications

MARS 39004 Switch using the specific Amana-Goodman B1370150The MARS 39004 is a professional grade 390 Series SPDT Changeover Switch designed for automatic seasonal transition in hydronic heating and cooling systems. Specifically engineered for fan coil units, this summer winter changeover switch manages thermostat logic based on water temperature, ensuring seamless climate control without manual intervention. It features a high reliability SL 8 thermostat enclosed in a sealed case for environment protection