What type of sensor does this electronic thermostat require

this OEM replacement shaft coupling comes as a complete assembly with integrated set screws for secure shaft fastening

If the motor is getting high voltage but no low-voltage signal from the board

This industrial liquid level sensor is a standard for contractors requiring precise LWCO 120V performance in commercial heating systems

or MVB series units

iO HVAC Controls RY-1-HB Relay 328140-751 What type of sensor doesThe iO HVAC Controls RY 1 HB Relay is a high reliability 24 Vac SPDT relay designed for seamless integration into standard handy boxes or snap track mounting environments. Built for professional HVACR applications, this 15 Amp SPDT relay features a rugged printed circuit board with wave soldered components to ensure long term mechanical stability in high vibration settings. The RY 1 HB serves as a critical component for general purpose HVAC switching,