Applying a colloidal silver coating is recommended to enhance conductivity

designed for longevity and consistent magnetic force in critical valve applications

5 Cv rating and equal percentage flow characteristics

216 lb static load rating

Can I use this on a heater larger than 15

Siemens Building Technology GQD126.1P Actuator 328140-751 Applying a colloidal silver coatingThe Siemens GQD126. 1P is a heavy duty OpenAir electronic damper actuator designed for professional HVAC installations requiring fail safe reliability. Built as a direct coupled spring return actuator, this unit delivers 20 lb in torque (2 Nm), making it the standard choice for managing economizer units, small HVAC control dampers, and residential zone systems. Operating on a 24 VAC DC power supply, it utilizes a 2 position control (On Off) signal to