Carrier 38AP660003 Terminal Board Kit

The Carrier 38AP660003 Terminal Board Kit, also identified by manufacturer part number 48HG500382, is a critical HVAC control board replacement designed for technical precision in commercial and industrial Carrier units. For technicians troubleshooting electrical failures, this genuine OEM terminal board ensures the necessary separation of circuits for dual 24V transformer configurations, preventing cross-voltage issues and protecting sensitive downstream components. This kit is a direct-fit solution for maintaining HVAC electrical connectivity within rooftop units and large-scale split systems where circuit integrity is paramount. By using this Carrier 38AP660003 kit, you ensure that the system maintains factory-spec terminal board wiring, reducing the risk of intermittent signals or control circuit malfunctions common with non-OEM alternatives. Built in the USA with a high-durability green substrate, it provides a stable platform for field wiring and terminal terminations, securing the long-term reliability of the system’s primary control logic.

Key Benefits & Technical Features

• Circuit Isolation: Specifically engineered to maintain the mandated separation of circuits for each 24V transformer, preventing electrical interference.
• OEM Compatibility: A direct 48HG500382 replacement, ensuring matched mounting footprints and terminal labeling for fast field swaps.
• Heavy-Duty Construction: High-grade PCB materials designed to withstand the thermal cycling and vibration common in rooftop HVAC environments.
• Secure Terminations: Features low-resistance contact points for Carrier HVAC parts, ensuring stable voltage across all control points.
• USA Manufactured: Produced under strict quality control standards to meet original equipment manufacturer specifications.

Common Questions

Does this kit include hardware for mounting?
The Carrier 38AP660003 Terminal Board Kit is designed as a direct physical replacement for the board itself; existing standoffs and hardware should be inspected for reuse during the HVAC circuit board repair process.

Can this board be used in systems with multiple transformers?
Yes, this terminal board is specifically designed to maintain the electrical separation required between different 24V transformers to prevent phase issues or transformer failure.

Is this part compatible with non-Carrier equipment?
This is an OEM replacement part engineered for specific Carrier, Bryant, and Carlyle equipment. Verification of the model number and wiring schematic is recommended to ensure correct terminal board replacement.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

This item is not eligible for free shipping.