Description
The NTI Boiler 64980345 is an OEM replacement venturi designed specifically for the NTI TFT340 condensing boiler. The venturi is a precision-engineered combustion component responsible for accurately mixing gas and combustion air in the correct ratio before delivery to the burner. Maintaining a properly functioning venturi is essential to sustaining optimal combustion efficiency, stable flame operation, and reliable heat output in your NTI TFT340 system.
As a direct OEM replacement part, this venturi (NRV 148) is engineered to exact NTI specifications, ensuring a precise fit and restoring your boiler to factory performance standards. Technicians and contractors trust genuine NTI parts to minimize callbacks and maximize system uptime.
Key Features
- OEM replacement venturi for the NTI TFT340 condensing boiler
- Part number NRV 148 — direct factory replacement
- Precision-engineered for accurate gas-to-air mixing ratio
- Supports stable combustion and consistent burner performance
- Designed to restore boiler to original factory efficiency
- Genuine NTI Boiler component for reliable, long-lasting service
Application
- Compatible with: NTI TFT340 condensing boiler
- Replaces OEM venturi assembly NRV 148
- Suitable for residential and light commercial hydronic heating systems
Why Choose Genuine NTI Parts?
Using genuine OEM components like the NTI 64980345 venturi ensures your boiler operates within manufacturer specifications. Aftermarket substitutes may not deliver the precise gas-air mixture geometry required by the TFT340 burner system, potentially leading to inefficient combustion, nuisance lockouts, or premature component wear. Trust NTI OEM parts for dependable performance and peace of mind.







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