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

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

68 Amps rating and Class B insulation

including systems utilizing up to 60% glycol solutions

Siemens Building Technology QAA22SS.EWNN Sensor 320735-701 Key Benefits for Your HVACFor 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.