York S1-9951-1361 Orifice

The York S1-9951-1361 is a precision-engineered natural gas orifice designed for specific York furnace burner assemblies. This component features a drill size 29 specification, which translates to a precise .136 orifice diameter. When diagnosing combustion issues or performing a gas valve manifold service, ensuring the correct flow rate is critical for thermal efficiency and flame stability. This OEM York replacement part provides exact tolerances for gas-to-air ratios, preventing incomplete combustion or carbon monoxide concerns common with generic alternatives. For field technicians, replacing a clogged or damaged orifice with the S1-9951-1361 ensures the manifold pressure aligns perfectly with manufacturer BTU ratings. The brass construction is machined for high-heat durability and consistent gas delivery across the burner profile. Always verify the furnace data plate and manifold requirements to ensure this .136 diameter matches your specific heating application requirements during service or installation.

• Optimized Gas Flow: Ensures precise BTU output for natural gas furnace systems.
• OEM Compliance: Direct replacement for York S1-9951-1361 to maintain factory-spec combustion performance.
• Durable Brass Construction: Resists thermal stress and corrosion within the burner manifold environment.
• Critical Sizing: Accurately machined to a #29 drill size for industrial-grade reliability.

Common Questions:

Can I use this for Propane (LP) conversions? No, this is a natural gas orifice with a .136 diameter; LP conversions require significantly smaller drill sizes due to the higher energy density of propane.

How do I verify if this fits my York unit? You should consult the burner manifold specification or the parts list in the equipment service manual specifically for part number S1-9951-1361.

Is the drill size etched on the part? Most York furnace orifices have the physical size or part number stamped on the brass casing for quick identification during field maintenance.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.