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Lennox XP14-060 Expansion Valve
An AC system would not yield any cooled air if the expansion valve was either damaged or just not working properly. Pretty much every air conditioning system has an expansion valve that lets the coolant to expand into its normal low-pressure gaseous form from a liquid.
Red flags of an unhealthy expansion valve
- Cooled air is much warmer than it really should be exiting the vents
- Your AC unit takes forever to comfortably cool the home
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