York S1-029-20423-030 Orifice 328140-751 Featuring a 2-inch NPT connection

Featuring a 2-inch NPT connection and a substantial 34 Cv flow factor

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

For technicians servicing Raypak pool heaters or hydronic systems

Stable Signal: The high-quality thermopile ensures consistent millivolt generation for reliable gas valve operation

York S1-029-20423-030 Orifice 328140-751 Featuring a 2-inch NPT connectionThe 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