York S1-063-90038-023 Plate 318973-401 Reliable Heat Dissipation: Built with

Reliable Heat Dissipation: Built with high-grade aluminum and steel components to withstand the high-temperature environments found in furnace cabinets

refrigeration-grade materials designed to withstand synthetic oils and common refrigerants while maintaining elasticity under varying thermal loads

this HVAC blower pulley offers a direct-fit solution that eliminates field modifications

Optimized For Natural Gas: Calibrated specifically for NG atmospheric burners

York S1-063-90038-023 Plate 318973-401 Reliable Heat Dissipation: Built withEnsure your combustion assembly is calibrated correctly with the York S1 063 90038 023 Ventor Plate. This critical OEM component features a 2. 125 inch orifice, precision engineered to regulate the static pressure and airflow exiting the inducer blower assembly. As a veteran technician knows, the correct orifice size is paramount for maintaining the stoichiometric balance required for efficient combustion and preventing pressure switch trip outs.