York S1-029-19387-019 Orifice 319852-301 Visible water stains on the

Visible water stains on the furnace floor or around the blower motor often indicate a hairline crack in the housing

Compact Versatility: The 36J series gas valve has a reduced swing radius of 2

5-inch control cutouts

This clear plastic thermostat cover provides a robust physical barrier against unauthorized adjustments

Each unit is factory sealed to prevent unauthorized tampering

York S1-029-19387-019 Orifice 319852-301 Visible water stains on theThe York S1 029 19387 019 Orifice is a precision machined #84 burner orifice engineered for exact fuel metering in residential and light commercial furnace assemblies. As an OEM replacement part for York, Coleman, and Luxaire systems, this component is critical for maintaining the correct manifold pressure and ensuring total BTU output aligns with nameplate specifications. Proper orifice sizing is essential for achieving a clean stoichiometric ratio,