York S1-1TVMBB2 TXV Kit 321142-301 This part is designed for
Baker’s notes & crumb story
Description
This part is designed for clockwise (CW) rotation when viewing from the discharge side (lead end of the motor)
this specific part number is strictly for natural gas applications
the dual-rating ensures versatility: it is optimized for 90°C dry locations and 75°C wet locations
providing the exact airflow velocity needed to clear combustion gases and close the pressure switch reliably
Always verify the temperature stamping on the original part matches the 150-40 rating before installation
York S1-1TVMBB2 TXV Kit 321142-301 This part is designed forThe 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