Description
Restore efficient and reliable control wiring in your HVAC rooftop unit or packaged system with the Carrier HK50AA051 Terminal Board. Designed by Carrier as a Factory Authorized Part, this terminal board ensures every conductor and accessory in your control box connects cleanly, clearly and safely.
Key Features
- Precision OEM fit & wiring interface – This board serves as the central wiring termination strip and connector cluster in control enclosures, streamlining field wiring and keeping installations neat.
- Simplifies aftermarket and accessory integration – Comes with clearly labeled terminals and configurable jumpers for options like heat-pump detection, remote shutdown, occupancy controls and more.
- Factory Durability & Brand Assurance – Being a genuine Carrier part, it meets original equipment standards, helping maintain system reliability and warranty compliance.
- Compact & versatile – With lightweight design and compact dimensions (approx. 6.25″ × 4″ × 1.25″) it fits easily in control boxes for units such as the Carrier 48HCDA series.






