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Whirlpool ATR1542RPP0 Expansion Valve
Almost all AC systems have an expansion valve that allows the coolant to expand back into vapor form from its highly pressured liquid form. The AC in a split system would probably blow heated air if the expansion valve was worn out.
Major clues to watch for in a failing Whirlpool expansion valve
- Your cooling system takes a really long time trying to keep the home at a comfortably cold temperature
- The air is not cold enough as it really should be exiting the air handler
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