The Browning Q2 1 7/8 is a heavy-duty Split Taper Bushing designed for high-torque mechanical power transmission

this factory-spec electric heater element provides the exact wattage required to meet system design parameters

Integrated Charge Port: Includes a front-mounted 1/4" SAE flare port for efficient system diagnostics and field recharging

it utilizes open-coil resistance wires supported by ceramic insulators to ensure high-thermal conductivity and long-term durability in heavy-duty cycles

this is a linkage-only retrofit kit

Siemens Building Technology GNP191.1P Actuator 320819-301 The Browning Q2 1 7/8The Siemens GNP191. 1P is a high performance, fast acting electronic damper actuator engineered for critical airflow control in laboratory fume hoods and high speed VAV systems. This OpenAir series actuator delivers 53 lb in of torque with a rapid 2 second runtime, ensuring immediate response to pressure or setpoint changes. Built with brushless DC motor technology and integrated stall protection, the unit supports fail safe operation via internal