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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
Smart Configuration: Automatically detects and manages combustion blower relay functions
While designed for a wide range of units
High-visibility status LEDs allow for rapid field diagnostics
ensuring that the critical tolerances between the blower wheel and housing remain tight for maximum pneumatic efficiency
The board is designed to interface seamlessly with existing 24V thermostat wiring and sensor inputs
Siemens Building Technology 331-3011 Actuator 320734-701 Smart Configuration: Automatically detects andThe Siemens 331 3011 is a high performance No. 6 pneumatic damper actuator designed for heavy duty HVACR applications requiring high torque and precise control. This spring return pneumatic actuator features a rugged metal fabricated body and is UL recognized for use on fire dampers and leakage rated dampers, ensuring reliability in critical air handling systems. With a nominal 8 13 psi spring range and a standard 4 inch stroke, it provides gradual or