Description
The Nordyne 661043R is an OEM replacement main burner orifice designed to deliver accurate, consistent gas metering in Nordyne heating systems. Proper orifice sizing is critical to safe and efficient furnace operation — the #43 drill size and .043″ orifice diameter ensure the correct fuel-to-air ratio for reliable ignition, stable flame performance, and optimal combustion efficiency.
Product Overview
This direct-replacement burner orifice is engineered to Nordyne’s original specifications, making it a trusted choice for HVAC technicians performing routine maintenance, burner tune-ups, or component-level repairs on compatible Nordyne, Miller, Frigidaire, Westinghouse, and affiliated brand furnaces and heating appliances.
Key Features
- OEM Nordyne replacement part — SKU 661043R
- #43 drill size orifice with .043″ orifice diameter
- Engineered for precise gas flow metering and consistent flame quality
- Supports reliable ignition and stable burner operation
- Direct drop-in replacement for compatible Nordyne heating systems
- Manufactured to OEM specifications for fit, form, and function
Application
- Compatible with select Nordyne, Miller, Frigidaire, Westinghouse, and affiliated brand furnaces and heating units
- Ideal for burner maintenance, component replacement, and combustion tune-ups
Why Orifice Size Matters
The burner orifice controls the volume of gas entering the burner assembly. An incorrectly sized or worn orifice can result in poor combustion, incomplete ignition, yellow or lazy flames, or unsafe operating conditions. Replacing with the correct OEM-spec orifice restores proper fuel delivery and ensures the system operates within designed safety and efficiency parameters.
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