Carrier HK50AA051 Circuit Board 321142-301 OEM Compatibility: Replaces multiple previous

OEM Compatibility: Replaces multiple previous versions including 320725-751 and HC27CB115

grinding noises

High Flow Capacity: 432 scim air capacity ensures minimal lag in pneumatic signal transmission and actuator positioning

240V AC infinite control engineered for precise temperature management in electric ranges

Carrier HK50AA051 Circuit Board 321142-301 OEM Compatibility: Replaces multiple previousThe Carrier HK50AA051 Circuit Board is a Factory Authorized Part specifically engineered for high demand Carrier commercial HVAC systems, including packaged rooftop units (RTUs) and heat pump systems. This genuine OEM replacement control board serves as the central terminal board and wiring interface, managing critical 24V low voltage communication across your heating and cooling stages. Built with high grade fiberboard and featuring a 30A amperage