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Whirlpool ATR1253BPP0 Expansion Valve
Any air conditioner would most likely give you heated air if the expansion valve was somehow damaged. 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 form.
Subtle hints your main expansion valve is dying
- Your AC takes a long time in its effort to keep the house cool as it should
- Cooled air is not as cool as it should be coming into the house
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