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Is the backflow preventer component field-serviceable
it includes high-temp Teflon packing
As a direct replacement for models 3003612 and 3003622
checking for the correct timing delay on the relay casing ensures it matches the original control logic requirements for that specific serial number
Optimized Compatibility: Ideal for 90VAC control circuits and industrial pneumatic or hydraulic pressure monitoring
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