Nordyne 661023R Orifice

The Nordyne 661023R Orifice is a precision-engineered #23 natural gas main burner orifice designed for specific gas-fired furnace configurations. Featuring a .023 drill size, this component ensures the exact BTU input required for stoichiometric combustion, preventing issues such as incomplete combustion or soot accumulation. This part is the direct replacement for Nordyne 661023, maintaining the identical flow rate and thread tolerance necessary for high-pressure gas manifolds. In the field, technicians rely on the 661023R burner orifice for its OEM compatibility and brass construction, which resists thermal degradation during high-duty cycles. Whether you are performing a furnace gas conversion or addressing manifold pressure imbalances, ensuring the correct Nordyne furnace parts are installed is critical for system safety and operational efficiency. This orifice is engineered for seamless integration into existing burner assemblies, providing a reliable seal and consistent gas distribution across the heat exchanger.

Key Benefits for Technicians

• Precise Flow Calibration: The #23 orifice size provides exact fuel metering for balanced heat output.
• OEM Standards: Engineered as a drop-in replacement for the obsolete 661023 model, ensuring no-leak fitment.
• Durable Brass Build: Resists corrosion and mechanical wear from high-velocity gas flow.
• System Matching: Specifically designed for Nordyne, Miller, and Intertherm furnace burner manifolds.

Common Questions & Technical Support

Is this orifice compatible with LP conversions?
No, the Nordyne 661023R is specifically sized for natural gas main burners. Converting to propane requires a different drill size to account for the higher energy density of LP gas.

How do I verify if this is the correct #23 orifice for my furnace?
Contractors should verify the BTU rating and manifold pressure on the equipment data plate. This orifice is intended for units requiring a .023 diameter opening to meet factory specifications.

Why should I use the 661023R instead of a generic equivalent?
Genuine replacement burner orifices ensure the thread pitch and internal taper match the manifold perfectly, preventing gas leaks and ensuring the venturi effect is properly maintained for a clean flame.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.