Siemens Building Technology QAC22 Sensor 321894-709 The Neptronic TM000 Actuator is

The Neptronic TM000 Actuator is a non-spring return motor designed for damper and valve control applications requiring precise on/off or 2-wire floating control

this wheel will not slide on

How should the discharge piping be sized

The kit includes a female global connector designed to meet original factory specifications

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

Siemens Building Technology QAC22 Sensor 321894-709 The Neptronic TM000 Actuator isThe 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