Description
The York S1-9951-1801 is a genuine OEM burner orifice designed to deliver accurate and consistent fuel metering in compatible York heating systems. Engineered to exact factory specifications, this replacement orifice ensures proper combustion performance, helping maintain system efficiency, safety, and reliability.
Product Overview
This orifice features a precisely machined 0.180″ bore diameter at Size 15, calibrated to regulate gas flow at the burner. Using the correct OEM orifice is critical to maintaining proper air-to-fuel ratios, preventing incomplete combustion, and protecting heat exchangers and other downstream components from damage caused by incorrect fuel delivery.
Key Features
- Genuine York OEM replacement burner orifice
- Orifice bore diameter: .180″ (Size 15)
- Precision-machined for accurate and consistent gas flow metering
- Designed for direct OEM fit in compatible York heating equipment
- Supports proper combustion efficiency and system safety
Application
- Designed as a direct replacement for York heating systems requiring an S1-9951-1801 orifice
- Suitable for use during routine maintenance, burner servicing, or gas conversion procedures
- Always verify compatibility with your specific York model before installation
Why Choose Genuine OEM Parts?
Using genuine York OEM replacement parts like the S1-9951-1801 ensures your equipment operates within factory-specified parameters. Aftermarket orifices may not meet the precise tolerances required for safe and efficient combustion. Trust OEM components to protect your equipment investment and maintain warranty compliance.







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