Nordyne 661057R Orifice

The Nordyne 661057R is a critical OEM replacement part designed for precision fuel metering in high-efficiency heating systems. Featuring a .057 orifice diameter, this LP burner orifice is engineered to maintain the correct gas-to-air ratio for Liquid Propane applications. It serves as the direct replacement for Nordyne 661057, ensuring seamless integration into N-Series burner manifolds commonly found in Intertherm burner systems, Miller furnaces, and other Nordyne-managed brands like Broan and Frigidaire.

For service technicians performing LP conversion for furnaces or routine manifold maintenance, this #57 drill size orifice offers the reliable performance required to prevent improper combustion. Constructed from durable brass, the 661057R orifice is built to withstand high thermal stress. When upgrading or repairing condensing furnace parts, using genuine Nordyne HVAC parts is essential for maintaining equipment certification and ensuring safety during the heating season. This part is a standard component in many official Nordyne LP conversion kits, helping contractors restore factory-spec BTU output and clean burner ignition.

• Universal Compatibility: Direct replacement for part number 661057, fitting multiple labels including Intertherm, Miller, and Gibson.
• OEM Precision: Genuine Nordyne 661057R construction ensures the exact .057 orifice size for optimized propane fuel flow.
• Robust Design: Heavy-duty brass machining prevents thread stripping and resists corrosion within the burner assembly.
• Easy Installation: Standard #57 drill size allows for a straightforward swap during gas valve or manifold service.

• Is this part suitable for natural gas? No, the 661057R is specifically sized (#57) for Liquid Propane (LP) applications. Natural gas requires a larger orifice diameter.
• How do I verify if this fits my unit? This part is the primary Nordyne LP orifice for many mobile home and residential furnaces. Always cross-reference your model number with the manufacturer's parts list.
• Is this a genuine Nordyne part? Yes, this is an official OEM LP burner orifice, ensuring it meets all factory specifications.

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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.