When you are troubleshooting Copper-Fin II series units or A

Flexible Multi-Position Switching: The DP4T switch configuration allows for 4-position control

a calibration screw is accessible behind the cover if field adjustments are needed to match the ambient room temperature exactly

For precise field diagnostics

it utilizes sleeve bearings for quiet operation and efficient heat dissipation during long run cycles

Carrier 50DK405904 Plug with Wires 318973-401 When you are troubleshooting Copper-FinAs an experienced HVAC technician, you know that field made electrical connections are a common point of failure. The Carrier 50DK405904 Plug with Wires is a Factory Authorized Part designed to eliminate that risk by providing a direct OEM replacement for critical wiring assemblies within Carrier, Bryant, and Payne air conditioning and heating systems. This wiring assembly plug comes pre terminated with high grade, 6 inch leads, ensuring that you can