Siemens Building Technology 194-3043 Retrostat 340155-7024 This is standard configuration for

This is standard configuration for low water cutoff modules where the internal relay must trip to de-energize the burner circuit when levels drop below the probe

the sensor must be positioned in the direct path of the airflow as specified by the furnace design to accurately monitor the plenum temperature and respond immediately to potential overheat conditions

this is an externally adjustable valve

this centrifugal blower wheel features a 1/2-inch bore designed to secure onto the motor shaft for precise torque transfer

Siemens Building Technology 194-3043 Retrostat 340155-7024 This is standard configuration forThe Siemens 194 3043 Retrostat is a specialized pneumatic damper actuator engineered for precise day night changeover in commercial HVAC systems. This Johnson Controls retrofit actuator allows for seamless integration into existing pneumatic infrastructures, specifically designed to replace aging or failing units in air handling units (AHUs) and terminal zones. Operating on standard pneumatic control signals, the 194 3043 facilitates dual setpoint