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The OEM Trane VAL21667 is a thermostatic expansion valve designed for use with R454B refrigerant. This valve is suitable for cooling systems with a capacity of fifteen point five tons. It includes a fifteen percent bleed feature for optimal refrigerant flow control.
This valve functions effectively to maintain system efficiency and performance in HVAC applications.
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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