Siemens Building Technology QAC22 Sensor 321894-709 while the programmable digital display

while the programmable digital display offers precise setpoint management

Whether you are performing a full coil overhaul or targeted repairs

Durable Construction: Heavy-duty cast iron material ensures longevity and resistance to wear in harsh conditions

OEM Reliability: Built with factory-validated materials to ensure long-term pressure regulation stability without drifting

Siemens Building Technology QAC22 Sensor 321894-709 while the programmable digital displayThe Siemens Building Technology QAC22 Sensor is a precision passive outdoor temperature sensor engineered for weather compensated control in high performance HVACR systems. Utilizing an LG Ni 1000 ohm sensing element (Ni RTD, 1k Ohm @ 32F), this unit provides a highly stable output signal across a wide operating range of 58 F to 158 F ( 50 C to 70 C). Designed for standard building automation systems, it accurately monitors outdoor air temperature