Carrier 331709-789 TXV Kit 320720-756 suitable for R-410A refrigeration systems

suitable for R-410A refrigeration systems as well as R-22 and R-134a retrofits

and 20VA transformer for a streamlined workflow

protecting internal compressor valves

providing long-term durability in demanding environments

What systems are compatible with the T22BBC-1

Carrier 331709-789 TXV Kit 320720-756 suitable for R-410A refrigeration systemsEnsure peak evaporator performance with the Carrier 331709 789 TXV Kit, a factory authorized solution designed for 3 to 3. 5 ton residential and light commercial systems. This OEM thermostatic expansion valve is highly compatible with R410A refrigerant, utilizing an internal check valve to manage liquid flow effectively during cooling cycles. Engineered to replace outdated part numbers like 331709 772 and 1185501, this TXV replacement kit features a 3