or TF series

The kit contains the 06NA660028 filter element and the specific O-ring required for the housing cover

How do I check for groove wear

Superior flexibility from the single-fabric design reduces bending stress and internal heat buildup during high-speed operation

it fits seamlessly into tight control panels found in air handlers and condensing units

Siemens Building Technology GQD221.1U Actuator 320819-301 or TF seriesThe Siemens GQD221. 1U Actuator is a direct coupled OpenAir spring return actuator engineered for precise 2 position control in commercial HVAC systems. Operating at 120V AC, this 20 lb in damper actuator is ideal for constant or variable air volume (VAV) installations, common in exhaust, mixed air, and face and bypass applications. Its compact footprint allows for seamless integration into tight enclosures, while the NEMA 1 (IP40) rated housing