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The Trane KIT4120 is a field-mounted AC thermal expansion valve (TXV). This component is essential for regulating the flow of refrigerant into the evaporator coil in air conditioning systems. The TXV plays a crucial role in achieving efficient cooling performance by maintaining the right superheat of the refrigerant. This ensures optimal cooling capacity and prevents liquid refrigerant from reaching the compressor.
The KIT4120 enhances system flexibility and maintenance ease.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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