Always check the open circuit voltage with a multimeter to be sure

it is referred to as a 1-1/4" nominal tee

OEM Precision: Calibrated specifically to -0

Can I use a universal limit switch instead of the Rheem 47-25350-01

ensuring rapid signal response to the controller

York S1-024-20870-000 Relay Always check the open circuitThe York S1 024 20870 000 is an OEM 24V SPDT Relay designed for precision switching in residential and light commercial HVAC equipment. Engineered as a direct replacement for York furnace relays, this component features a Single Pole Double Throw (SPDT) configuration, allowing for control over both normally open and normally closed circuits. It is a critical component for managing HVAC blower motor control and sequenced operation. Operating on a 24