Siemens Building Technology 194-3043 Retrostat 340155-7024 regulating fan speed control
Baker’s notes & crumb story
Description
regulating fan speed control
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
a non-responsive blower motor
this is an externally adjustable valve
Siemens Building Technology 194-3043 Retrostat 340155-7024 regulating fan speed controlThe 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