Siemens Building Technology QAA2235.EWSN Sensor 320720-756 and XR95 high-efficiency models

and XR95 high-efficiency models

it features a 1075 RPM rated speed with 3-speed taps

this Heil Quaker replacement valve is the exact spec required for International Comfort Products equipment

this unit directly replaces legacy part numbers including PVT1012

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

Siemens Building Technology QAA2235.EWSN Sensor 320720-756 and XR95 high-efficiency modelsThe 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