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

resolving common airflow and ignition circuit faults

its high-quality brass and synthetic materials are compatible with most common refrigerants

it is strongly recommended to use a dedicated natural gas valve to maintain factory performance standards

Carrier 50DK405904 Plug with Wires 318973-401 a calibration screw is accessibleAs 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