Siemens Building Technology GQD221.1U Actuator 30067439-890 Universal materials often lack the

Universal materials often lack the specific thickness and chemical resistance required for York high-performance compressors

this unit is designed strictly for non-potable hydronic heating applications due to its iron body construction and non-lead-free materials

This standard duty ball bearing unit features a robust cast iron pillow block housing

Built by Sporlan (Model CBBIZE-4)

This model is designed for modulating control and typically supports analog inputs like 4-20 mA

Siemens Building Technology GQD221.1U Actuator 30067439-890 Universal materials often lack theThe 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