York S1-029-20423-030 Orifice 328140-751 allowing for 1 to 6

allowing for 1 to 6 defrost occurrences per day with a minimum 4-hour interval between operations

this factory-authorized part ensures the diagnostic logic remains consistent with original equipment specifications

For technicians servicing Raypak pool heaters or hydronic systems

ensuring tight shut-off and high performance in balanced 3-way mixing applications

High-Temperature Resistance: Constructed from professional-grade ceramic fiber to resist degradation under constant firing

York S1-029-20423-030 Orifice 328140-751 allowing for 1 to 6The York S1 029 20423 030 Natural Gas Burner Orifice is a precision machined OEM York replacement part designed for specific BTU output requirements in commercial and residential furnaces. Featuring a #30 drill size with a 0. 1285 inch diameter, this orifice is critical for maintaining the correct manifold pressure and stoichiometric air fuel ratio. Field technicians should verify this component against the furnace rating plate to ensure proper