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The Trane VAL09788 thermostatic expansion valve controls the flow of refrigerant in HVAC systems. It adjusts how much refrigerant flows into the evaporator depending on temperature, helping the system work efficiently. The valve reacts to pressure changes, supporting both cooling and heating cycles. It is designed to connect to various components in refrigeration systems for effective heat exchange.
This valve is critical for maintaining optimal HVAC performance.
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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