Always verify the valve brand and model number before installation

Key Benefits: Optimized Flow Rates: The full 1" orifice and piloted diaphragm design provide high Cv factors for maximum throughput in 1-inch piping systems

optimizing the refrigerant flow for consistent cooling performance

Verify static pressure and temperature rise across the heat exchanger

ensuring the combustion blower is generating sufficient negative pressure before allowing the ignition sequence to proceed

York S1-063-90041-000 Scroll 323055-751 Always verify the valve brandThe York S1 063 90041 000 Scroll is a precision engineered OEM component designed for high efficiency draft inducer assemblies. As a heavy duty replacement vent blower scroll, this housing is critical for directing flue gas flow and maintaining the necessary static pressure within the combustion circuit. The S1 063 90041 000 is manufactured to exact factory specifications, ensuring seamless compatibility with York OEM furnace parts across various