Siemens Building Technology 331-2905 Actuator R-407C This OEM Copeland 940-C411-66 assembly

This OEM Copeland 940-C411-66 assembly is calibrated for a specific current range

Replace a failing or shorted furnace control with the Carrier HK42FZ064 Control Board

This Danfoss 24V 20W coil is the standard for technicians requiring long-term reliability in fluid control systems

technicians ensure optimal concentricity and alignment

This transformer is primarily used to provide 24V control power to gas-fired unit heaters

Siemens Building Technology 331-2905 Actuator R-407C This OEM Copeland 940-C411-66 assemblyThe Siemens Building Technology 331 2905 is a professional grade No. 4 Pneumatic Damper Actuator engineered for the gradual or positive control of outdoor air, return air, and exhaust dampers. As a veteran preferred HVAC pneumatic actuator, this unit features a rugged all metal body and a 4 inch stroke designed for longevity in demanding ventilating systems and terminal units like unit ventilators and mixing boxes. This model is equipped with an