Flexible Control Logic: Field-selectable proportional control signals (0-10Vdc or 4-20mA) allow for seamless integration with BAS and Metasys controllers

protecting the internal diaphragms from heat damage during installation

0 second flame failure response time to ensure immediate fuel shutoff in the event of flame loss

using genuine parts preserves the original engineering intent of the air delivery system

York S1-022-09012-000 Expansion Valve 320074-702 Flexible Control Logic: Field-selectable proportionalThe York S1 022 09012 000 Expansion Valve is a specialized thermostatic expansion valve (TXV) engineered for precision refrigerant metering in York residential and light commercial evaporator coils. Featuring a 45. 0 PSIG pressure rating and 5 8 x 7 8 ODF sweat connections, this OEM York replacement part is critical for maintaining the correct superheat and preventing liquid slugging in the compressor. By dynamically adjusting refrigerant flow based