Siemens Building Technology QFA3171 Sensor 323080-701 Robust Construction: The brass body

Robust Construction: The brass body and solenoid-actuated design offer significantly higher durability than plastic aftermarket alternatives

Optimized Oil Return: Features a filtered pickup orifice to maintain proper lubrication levels throughout the refrigerant cycle

While not always included

and 138164J across various Daikin-McQuay air handlers

The pilot orifice

Siemens Building Technology QFA3171 Sensor 323080-701 Robust Construction: The brass bodyThe Siemens Building Technology QFA3171 Sensor is a high precision instrumentation solution engineered for demanding HVACR environments. This room humidity and temperature sensor utilizes a 2 wire 4 20mA output signal for both relative humidity (0 100% RH) and temperature monitoring, ensuring robust signal integrity over long cable runs in industrial or commercial facilities. Designed without a display to maintain a low profile and minimize field