Navien 30020431B Main Control Board for NFB-C (Replacement 30020431B)

Product Description

The Navien 30020431B is a main control board (PCB) for Navien NFB-C series boilers and tankless water heaters. It serves as the primary control module for system functions and diagnostics, replacing the factory main PCB (model GBC301 P10). Common uses include repair and replacement during maintenance or fault remediation on NFB-C units. The part is an OEM replacement identified by SKU/MPN 30020431B and UPC 884954271569.

• OEM main control board for Navien NFB-C series; MPN 30020431B; model GBC301 P10
• Provides primary system control, diagnostics, and operational management for boilers and tankless water heaters
• Condition: brand new in factory packaging

Product Highlights

Main PCB replacement for Navien NFB-C series (GBC301 P10), MPN 30020431B; OEM part with UPC 884954271569.

Product Information

Standard Information

• Brand: NAVIEN
• Manufacturer Part Number: 30020431B