Siemens Building Technology QAC22 Sensor 321894-709 Durable Construction: Heavy-duty cast iron

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

normally closed industrial solenoid valve body designed for dependable air and water flow control in commercial HVAC and industrial applications

while the programmable digital display offers precise setpoint management

Built-in Filtration: Includes internal screening to protect the valve seat from pipeline debris and contaminants

Siemens Building Technology QAC22 Sensor 321894-709 Durable Construction: Heavy-duty cast ironThe 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