This is a direct OEM replacement part

Corrosion Resistance: Finished with a durable powder-coated exterior to withstand harsh environmental conditions in outdoor condensing units

The 47K0901 is simply a longer-form part number used in some HVAC replacement parts databases

What are the symptoms of a bad R07489B003 relay

This temperature control is built to withstand the rigorous duty cycles of residential and light commercial air handlers and furnaces

Amana-Goodman 1370914S Limit Switch This is a direct OEMThe Amana Goodman 1370914S Limit Switch is a critical safety component designed for high temperature monitoring within HVAC furnace systems. This 190 220F auto reset limit switch functions as a primary high limit control, ensuring the heat exchanger does not exceed safe operating temperatures. When the plenum temperature reaches the 220F threshold, the internal bimetal disc triggers the normally closed (NC) circuit to open, immediately interrupting