Carrier 40QN660002 Remote Control 319847-401 A419 and A421 electronic controls

A419 and A421 electronic controls

Durable Construction: Features sleeve bearings and a totally enclosed housing to protect internal windings from moisture and debris

even under light load conditions

a different part number or a bore reducer (if applicable by manufacturer specs) would be required

this model provides high-resolution resistance output with superior stability compared to standard thermistors

Carrier 40QN660002 Remote Control 319847-401 A419 and A421 electronic controlsThe Carrier 40QN660002 Remote Control Kit is a crucial diagnosis and repair solution for technicians servicing legacy and current Carrier indoor units, including ductless mini split systems, high wall fan coils, and air handlers. As a Genuine OEM replacement part, this kit ensures full protocol compatibility that generic universal remotes often lack, particularly regarding multi stage fan speeds and specialized operational modes like "Dry" or "Auto