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Is the backflow preventer component field-serviceable
it includes high-temp Teflon packing
satisfying the exact electrical and mechanical specifications of the original factory-installed unit
The ZX200 power element is specifically tuned for low-temperature applications
Siemens Building Technology QFA3171 Sensor 322838-752 Is the backflow preventer componentThe 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