this 48 frame motor features a counterclockwise (CCW) rotation (shaft end) to ensure precise airflow delivery

potentially damaging other HVAC components

While designed specifically for Aprilaire equipment

Key Benefits for Your HVAC System Enhanced Equipment Longevity: Captures larger particulates before they reach the secondary filter

A trip is often not a part failure but a symptom of restricted venting

Siemens Building Technology QAA22SS.EWNN Sensor 320735-701 this 48 frame motor featuresFor building automation contractors requiring a tamper proof and flexible environmental monitoring solution, the Siemens QAA22SS. EWNN stands as a professional grade room temperature sensor designed for seamless integration. This "Sensing Only" variant features a blank front with no logo, making it the ideal choice for schools, high traffic commercial spaces, or public corridors where preventing unauthorized setpoint adjustments is mission critical.