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Trane TTZ036A100A1 Expansion Valve
A normal AC expansion valve lets the coolant to expand into its normal low-pressure vapor form from a high pressure liquid state. The AC in your house would not produce cooled air if the valve was missing.
Important clues of a declining refrigerant expansion valve
- The air is much warmer than it ought to be as it comes from the air conditioning unit
- AC takes its sweet time to appropriately cool the indoors
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