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

Common Questions What is the correct rotation for the Reznor 45946

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

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

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