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Trane TCP036F100AC Expansion Valve
Your home AC system contains an expansion valve that lets the coolant to expand into its normal low-pressure vapor state from a high pressure liquid state. Your AC unit can not deliver properly cooled air with no functioning valve.
Major clues of a failing main expansion valve
- The cold airflow is definitely not as cold as it used to be blowing through the ductwork
- Your AC unit takes a long time in a bid to keep the home at a comfortably cold temperature
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