always use the 350F rollout switch specified by the manufacturer

or MVB series units

secure wiring

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

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

iO HVAC Controls RY-1-HB Relay 328140-751 always use the 350F rolloutThe 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,