Description
York Natural Gas Burner Orifice — OEM Replacement Part
The York S1-029-20423-030 is an OEM natural gas burner orifice designed to deliver precise fuel metering in compatible York furnace and heating systems. Engineered to exact factory specifications, this replacement orifice ensures consistent combustion performance, proper flame characteristics, and reliable system efficiency.
Key Features
- OEM York replacement burner orifice for natural gas applications
- Drill size #30 with a bore diameter of 0.1285″
- Precision-machined for accurate and consistent gas flow metering
- Ensures proper air-to-fuel ratio for efficient, clean combustion
- Direct factory replacement — no modification required
- Compatible with select York furnaces and heating appliances
Why Orifice Size Matters
The burner orifice controls the volume of gas entering the burner, directly affecting flame size, heat output, and combustion efficiency. Using the correct drill size (#30 / 0.1285″) as specified by York ensures the appliance operates within designed parameters, preventing issues such as incomplete combustion, sooting, or unsafe flame conditions.
Application
- Fuel type: Natural Gas
- Orifice drill size: #30
- Bore diameter: 0.1285″
- Part number: S1-029-20423-030
- Brand: York
Installation Note
Always verify compatibility with your specific York model before installation. Consult the equipment’s service manual or contact a qualified HVAC technician to confirm the correct orifice size for your application. Orifice replacement should be performed by a licensed professional in accordance with local codes and manufacturer guidelines.
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