the Illinois 36859 seat provides a stable valve seat interface that reacts accurately to temperature fluctuations

Universal Mounting: Compatible with Fasco motor mounting kits and standard flex mounts for fast installation

it features integrated Fahrenheit (°F) and Celsius (°C) markings to ensure clear setpoint visibility and precise calibration across diverse facility standards

The front-facing LED provides specific flash patterns that correspond to technical issues such as sensor failure

this unit maintains the exact mounting footprint and electrical specifications required for quick field swaps

Siemens Building Technology GEB141.1P Actuator Els PW 29614 the Illinois 36859 seat providesThe Siemens GEB141. 1P is a high torque non spring return actuator designed as the direct technical successor to the legacy GEB131. 1P series. Engineering for commercial HVAC systems, this OpenAir electronic actuator provides precise control for dampers in air handling units and VAV terminals. Operating on a 24 VAC power supply, it features versatile 2 point and 3 point control (on off and floating) logic, making it a standard choice for contractors