Siemens Building Technology QAA2235.EWSN Sensor 320720-756 field-configurable wet-to-wet differential pressure transducer

field-configurable wet-to-wet differential pressure transducer engineered for HVACR professionals managing high-performance building automation systems

and XR95 high-efficiency models

Utilizing a DPST (Double Pole Single Throw) switch with automatic recycle logic

The cutout for new thermostat installations allows the controller to sit flush against the control box

This SKU is specifically the sensor harness

Siemens Building Technology QAA2235.EWSN Sensor 320720-756 field-configurable wet-to-wet differential pressure transducerThe Siemens QAA2235. EWSN is a precision room temperature sensor engineered for seamless integration into commercial Building Automation Systems (BAS). Utilizing a 100k Ohm thermistor active output, this unit provides highly stable and linear temperature feedback to HVAC controllers, ensuring tight deadband management and optimized energy efficiency. Designed specifically for indoor comfort monitoring, it operates across a standard range of 32F to