York S1-029-20423-030 Orifice 321702-401 the assembly features a durable

the assembly features a durable housing designed to withstand corrosive flue condensates and high thermal loads

By replacing the entire gas burner assembly rather than individual components

How do I determine the flow capacity of the 143-16-023-02 orifice

33 Amp rating with robust insulation to withstand standard operating temperatures in air-over environments

while the snap-action contacts are sealed in an epoxy resin to prevent ingress from dust

York S1-029-20423-030 Orifice 321702-401 the assembly features a durableThe 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