York S1-1TVM4G1 Expansion Valve 326010-701 it is critical to install

it is critical to install a check valve in the drop leg between the LAC and the receiver to prevent refrigerant migration during the off-cycle

This certified line pressure regulator features a 3/8" NPT connection and a lever acting design that provides precise control from full flow down to pilot flow

" It includes the internal levers

making it a standard inventory item for service calls involving Williams furnace troubleshooting

maintaining identical physical dimensions and flow characteristics

York S1-1TVM4G1 Expansion Valve 326010-701 it is critical to installThe York S1 1TVM4G1 is a mission critical 3 Ton R410A TXV engineered for precise refrigerant metering in York, Luxaire, and Coleman air handlers. Built with a 5 8" x 5 8" ODF connection, this thermostatic expansion valve provides the accurate superheat control necessary to maximize evaporator efficiency and protect the compressor from liquid slugging. The 30 inch capillary lead allows for flexible sensing bulb placement, ensuring the valve responds