Description
The York S1-029-20423-037 is a genuine OEM 37 burner orifice designed as a direct replacement for compatible York furnaces and heating equipment. With a precisely drilled aperture of .104 inches (corresponding to a 37 drill size), this orifice meters gas flow to the burner with accuracy, ensuring consistent flame characteristics, proper combustion efficiency, and safe system operation.
Using the correct OEM orifice is critical to maintaining the manufacturer-specified fuel-to-air ratio. An improperly sized orifice can result in incomplete combustion, sooting, carbon monoxide production, or reduced heating efficiency. This York-specified replacement eliminates guesswork and keeps your system operating within designed parameters.
Key Features
- OEM York replacement burner orifice
- 37 drill size with .104″ orifice diameter
- Ensures precise gas metering for proper combustion
- Direct OEM replacement for compatible York heating systems
- Maintains manufacturer-specified fuel-to-air ratio
- Supports safe, efficient, and reliable burner operation
Application
- Compatible with select York furnaces and heating appliances requiring a 37 (.104″) burner orifice
- Always verify compatibility with your specific York model before installation
Important Notes
- OEM part — use only as specified by York for your equipment model
- Installation should be performed by a qualified HVAC technician
- Confirm gas type (natural gas or LP) compatibility with your system’s orifice requirements prior to installation









