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Professionals utilize this kit to address common wear patterns in steam pressure regulators
meaning it will restore the circuit once the temperature falls without needing a button press
making it ideal for outdoor use and wash-down environments
reducing excess wire clutter within the cabinet
Siemens Building Technology QFA3212.EWSN Sensor 340155-7026 Professionals utilize this kit toThe Siemens QFA3212. EWSN is a high precision room humidity and temperature sensor designed for demanding commercial HVAC and building automation systems. Built for seamless integration with Siemens Terminal Equipment Controllers (TECs) and APOGEE systems, this unit provides critical environmental feedback to ensure optimal indoor air quality. It serves as a direct professional upgrade and replacement for the QFA3212. EWNN, maintaining the same
US$ 114.95
US$ 99.95
US$ 997.50