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Optimized Combustion: Designed specifically for LP gas systems to prevent improper flame characteristics and carbon monoxide risks
000 PSI depending on conditions
or significant dust buildup that could cause an imbalance and lead to bearing failure
018" orifice for propane will result in over-firing and a dangerous pilot flame
frequent nuisance lockouts
York S1-9951-0861 Gas Orifice Optimized Combustion: Designed specifically forThe 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
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