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International Comfort Products TCH424AKA1 Expansion Valve
An expansion valve lets the coolant to expand back to its low-pressure vapor state from a high pressure liquid state. Your AC would produce no cooled air if it was deprived of a functioning expansion valve.
What are the signs that the main expansion valve has to be replaced?
- Your cooling system takes a really long time in its effort to cool
- Air from the AC is not cold enough as it should be coming from the air handler
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