York S1-9951-0931 Orifice Constructed to handle the high-temperature

Constructed to handle the high-temperature environment of the combustion burner assembly

Always verify the CV rating and valve series on the nameplate before installation

As a veteran HVACR technician

The York S1-9951-0931 is a precision-engineered LP Gas Orifice designed for specific burner manifold applications in York

and SNR/SNA/SBN

York S1-9951-0931 Orifice Constructed to handle the high-temperatureThe York S1 9951 0931 is a precision engineered LP Gas Orifice designed for specific burner manifold applications in York, Luxaire, and Coleman furnace systems. This component features a #42 drill size with a verified . 0935 internal diameter, ensuring exact volumetric control of liquid propane flow to the burner assembly. As an OEM replacement part from Johnson Controls, it is manufactured from high grade brass to maintain dimensional stability and