York S1-1TVMBB2 TXV Kit 321142-301 Always verify the temperature stamping

Always verify the temperature stamping on the original part matches the 150-40 rating before installation

the dual-rating ensures versatility: it is optimized for 90°C dry locations and 75°C wet locations

most WH10-A thermostats are rated for use in both 208V and 240V residential electric applications

ensuring a drop-in fit without extensive field modifications

York S1-1TVMBB2 TXV Kit 321142-301 Always verify the temperature stampingThe York S1 1TVMBB2 TXV Kit is a high precision HVAC expansion valve replacement designed specifically for R410A refrigerant systems. This genuine OEM York part features a 5 8" Aeroquip connection, ensuring a secure, leak free seat on compatible indoor coils and air handlers. As a critical metering device, the S1 1TVMBB2 thermal expansion valve dynamically adjusts refrigerant flow into the evaporator based on load conditions, maintaining the exact