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where the DPDT relay (Double Pole Double Throw) energizes as the liquid reaches the high probe
When you are servicing light-duty HVAC units or commercial fans
It is frequently used as a primary or pilot shutoff valve in heating equipment
In any professional installation
Siemens Building Technology S55720-S562 Wiring Kit 318172-701 where the DPDT relay (DoubleThe Siemens Building Technology S55720 S562, also identified as the AQM. KIT4112, is a specialized HVAC wiring kit engineered specifically for Siemens ECO building automation systems. This kit is a critical component for technicians and controls contractors tasked with integrating field devicessuch as sensors and actuatorsinto the Siemens ECO control architecture. By providing the exact interconnection hardware required, it ensures stable signal
