Description
Navien 30014223B OEM Replacement Blower
The Navien 30014223B is a genuine OEM replacement blower assembly designed for use with Navien tankless water heaters and combi-boiler systems. Engineered to Navien’s exact factory specifications, this blower delivers consistent, controlled combustion airflow to maintain safe and efficient burner operation across the full range of firing rates.
Why Choose an OEM Navien Blower?
Using a genuine Navien replacement blower ensures a precise fit and reliable performance without the guesswork of aftermarket alternatives. The blower is a critical component in the combustion air management system — a properly functioning blower maintains the correct air-to-fuel ratio, protects the heat exchanger, and supports the unit’s built-in safety controls.
Key Features
- Genuine Navien OEM replacement part — SKU 30014223B
- Engineered for direct fit in compatible Navien tankless water heater and combi-boiler models
- Maintains proper combustion airflow for safe and efficient burner operation
- Supports accurate air-to-fuel ratio management across all firing rates
- Designed to integrate seamlessly with Navien’s onboard control and safety systems
- Built to Navien factory quality standards for long-term durability and reliability
Application
This blower is intended as a direct replacement component for qualified HVAC technicians and plumbers servicing Navien tankless water heater and combi-boiler units. Always verify compatibility with your specific Navien model number before installation. Refer to the Navien service manual or contact your Navien distributor for model fitment guidance.
Important Note
Installation should be performed by a licensed HVAC or plumbing professional in accordance with all applicable local codes and Navien’s installation and service guidelines.







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