Always cross-reference your unit's serial number and specific furnace rating plate before installation

ensuring 100% compatibility with the furnace’s logic and safety parameters

eliminating the need for mounting modifications or terminal re-wiring

this assembly ensures a stable flame pattern across the heat exchanger

York S1-4100-00 Valve 323613-751 Always cross-reference your unit's serialThe York S1 4100 00 is an industrial grade E14S250 HP solenoid valve engineered specifically for high pressure R410A refrigerant applications. Featuring a 5 8" sweat (ODF) connection, this normally closed valve provides precise fluid control in liquid, suction, or hot gas lines for commercial and residential split systems. As a veteran preferred component for York HVAC systems, the S1 4100 00 is designed to handle high operating pressure differentials