Description
Navien 30013961A — OEM Wire Harness Assembly for NHB Series Boilers
The Navien 30013961A is a genuine OEM wire harness assembly engineered specifically for Navien NHB series condensing boilers. Designed to exact factory specifications, this replacement harness ensures all electrical connections within the boiler system are secure, properly routed, and fully compatible with the NHB platform’s control architecture.
Why Choose a Genuine OEM Harness?
Using an authentic Navien replacement harness eliminates the guesswork of aftermarket alternatives. The 30013961A is built to match the original wiring configuration, connector types, and conductor gauges found in your NHB boiler — helping maintain safe and reliable operation and protecting the integrity of your system warranty.
Key Features
- Genuine Navien OEM replacement part
- Designed for Navien NHB series condensing boilers
- Factory-matched connectors and conductor configuration
- Ensures proper electrical signal routing between boiler components
- Direct drop-in replacement for straightforward installation
- Supports reliable boiler control board and component communication
Application
- Compatible with: Navien NHB series condensing boilers
- Part Type: Wire Harness Assembly
- OEM Part Number: 30013961A
Installation Notes
Always disconnect power to the boiler before servicing electrical components. Refer to the Navien NHB installation and service manual for wiring diagrams and harness routing procedures. When in doubt, consult a qualified HVAC/R technician.







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