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Whirlpool ATE1553RPP0 Expansion Valve
Your home AC system contains an expansion valve that allows the coolant to expand back into its natural gas state from its highly pressured liquid form. Air conditioning units would most likely give you heated air if the expansion valve was worn out.
Easy warnings of a dying main expansion valve
- The cool flow of air is much warmer than the usual air as it comes from the air conditioning unit
- The outdoor AC unit takes forever in a bid to bring down the temp in the house
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