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Always follow the arrow stamped on the shell
meaning it will re-engage the circuit once the system pressure stabilizes at the 300 PSI close threshold
these part numbers are identical in technical specifications and fitment
making it suitable for modern CO2 and ammonia racks
Lockouts typically occur due to low flame signal
Carrier EA36YD121 TXV Valve 321142-301 Always follow the arrow stampedThe Carrier EA36YD121 is a high precision 2 ton thermostatic expansion valve engineered specifically for R 410A residential and light commercial evaporator coils. This balanced port TXV utilizes a 3 8 inch flare inlet connection, allowing for straightforward field installation and serviceability without the need for brazing at the liquid line interface. Designed to maintain precise superheat control across varying head pressures, the EA36YD121 ensures