or irregular flame patterns often indicate a blockage within the burner orifice that may require cleaning or replacement to restore proper combustion safety

the 14004625-004 provides the exact tolerances required for proportional control

When addressing HVAC gas conversions or replacing clogged orifices

Common Questions: What is the primary application for the 0881404 gasket

York S1-9951-0861 Gas Orifice or irregular flame patterns oftenThe York S1 9951 0861 #44 Gas Orifice is a high precision LP gas conversion component engineered specifically for York heating systems. This OEM replacement orifice features a #44 drill size with a 0. 0860 inch diameter, precisely calibrated to regulate liquid propane flow at 11. 0 inches Water Column (W. C.). Designed for robust performance in multi stage gas furnaces and boilers, this part ensures stoichiometric combustion to prevent soot buildup