York S1-029-20423-030 Orifice 328140-751 ensuring tight shut-off and high

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

mounting the solenoid upright is recommended

or the furnace tripping the limit switch due to insufficient airflow across the heat exchanger

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

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

York S1-029-20423-030 Orifice 328140-751 ensuring tight shut-off and highThe 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