Terminal designations—RH

the P142700 is strictly for the 1403/2003/3003 series

ensuring the HVAC high limit control functions within OEM specifications

As a manual reset limit switch (Therm-O-Disc Style 60T15

This component is engineered to withstand high-thermal cycles while maintaining a consistent gas flow rate through its precision-drilled aperture

Wayne 60186-004 Transformer Terminal designations—RHWhen you're servicing industrial burner assemblies or complex HVAC systems, the Wayne 60186 004 Transformer is a critical component for stabilizing low voltage control circuits. This heavy duty 120v to 24v step down transformer is engineered to convert 120V primary line voltage into a consistent 24V secondary output, providing the necessary 30VA power rating to drive thermostats, gas valves, and ignition control boards. Built for rigorous duty cycles,