Siemens Building Technology QAA2280.FWSC Sensor 326058-757 Reduced Mechanical Wear: The balanced

Reduced Mechanical Wear: The balanced 8-pole motor architecture minimizes bearing stress and harmonic noise during ramp-up and operation

This HVAC gas valve replacement is essential for restoring safe ignition sequences and steady burner operation when the original solenoid or diaphragm fails

this model is designed for 1-stage heat pump systems and includes dedicated O and B terminals for reversing valve control

Browning eliminates rotational vibration

it serves as a reliable OEM replacement part for York and Johnson Controls units

Siemens Building Technology QAA2280.FWSC Sensor 326058-757 Reduced Mechanical Wear: The balancedThe Siemens Building Technology QAA2280. FWSC is a high performance room temperature sensor designed for precise environmental control in commercial HVAC applications. This full feature HMI unit is engineered specifically for Siemens Terminal Equipment Controllers (TEC), including BACnet TEC, ATEC, and PTEC models. It features a digital LCD display for real time monitoring and a simplified RJ 11 connection that facilitates rapid, error free wiring