For contractors managing HVAC preventative maintenance

Provides a robust thermal spacer to protect internal actuator electronics and motor components from excessive heat

this model is specifically tested to meet UL555S standards

unusual "whistling" noises during start-up

supporting versatile application requirements

Siemens Building Technology QFA32SS.EWSN Sensor 326058-758 For contractors managing HVAC preventativeThe Siemens Building Technology QFA32SS. EWSN is a professional grade Room Relative Humidity and Temperature Sensor designed for high accuracy monitoring in commercial BAS environments. Engineered for versatility, this unit features a selectable 0 10Vdc or 4 20mA output signal for both humidity and temperature, allowing for seamless integration with APOGEE controllers and other third party building automation systems. With a 2% RH accuracy rating