The assembly is designed for a 6-inch air tube length

the 57-inch length is optimized for larger ductwork where deep penetration is required to achieve a representative air sample

the mainline air volume would overwhelm the thermostat's bleed action

This model serves as the direct replacement for LHB08100101 and incorporates a bronze pump housing for corrosion resistance in open-loop systems

Does this kit include mounting bolts

Siemens Building Technology GDE141.1Q Actuator 318518-761 The assembly is designed forUpgrade your air handling systems with the Siemens OpenAir GDE141. 1Q, a robust non spring return actuator engineered for low torque VAV applications and small dampers. This unit delivers 44 lb in torque and features versatile 2 position floating control logic, ensuring precise airflow management in commercial HVAC environments. Operating on a standard 24V AC DC power supply, the GDE141. 1Q is designed for high cycle reliability, rated for up to