Description
The Navien 30019689A is the OEM main printed circuit board (PCB B/D) designed as a direct replacement for Navien NFB-175 and NFB-200 condensing boiler models. As the central control hub of your boiler system, this main board manages and coordinates all primary operating functions — from ignition sequencing and burner control to system monitoring and safety shutdowns — ensuring your Navien boiler operates safely and efficiently.
Key Features
- OEM Navien replacement main PCB board (B/D)
- Compatible with Navien NFB-175 and NFB-200 condensing boiler models
- Controls primary boiler functions including ignition, burner operation, and system monitoring
- Engineered to Navien factory specifications for reliable, long-term performance
- Direct drop-in replacement for simplified installation
- Supports safe operation and system protection features of the NFB series
Compatibility
- Navien NFB-175
- Navien NFB-200
Why Choose OEM?
Using a genuine Navien OEM control board ensures full compatibility with your existing boiler components, preserves your warranty, and eliminates the guesswork associated with aftermarket alternatives. The 30019689A is built to the same exacting standards as the original board installed at the factory, providing peace of mind and dependable performance season after season.
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