Description
York S1-9951-1771 Natural Gas Burner Orifice #16 Overview
The York S1-9951-1771 is a genuine OEM natural gas burner orifice designed as a direct replacement for compatible York heating systems. The #16 orifice size is precision-drilled to deliver the correct fuel-to-air ratio, ensuring efficient and consistent combustion performance in your furnace or heating appliance.
Key Features
- Genuine York OEM replacement part for assured fit and function
- #16 orifice size precision-machined for accurate natural gas metering
- Engineered to maintain proper fuel-to-air ratio for efficient combustion
- Direct drop-in replacement — no modifications required
- Durable construction built to withstand the demands of continuous burner operation
- Helps restore peak furnace efficiency and reliable ignition performance
Application
This burner orifice is intended for use with natural gas-fired York furnaces and heating systems that require a #16 orifice. Always verify compatibility with your specific York model before installation. Consult the equipment’s service manual or a qualified HVAC technician for proper sizing confirmation.
Why Choose OEM York Parts?
Using genuine York replacement parts like the S1-9951-1771 ensures your system operates within factory specifications, protecting equipment warranties and maintaining safe, efficient operation. Aftermarket substitutes may not meet the precise tolerances required for proper combustion, making OEM components the preferred choice for professional HVAC technicians.







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