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Lennox G26Q3-75 Expansion Valve
Almost all AC systems have an expansion valve that lets the coolant to expand back to its low-pressure gas state from a high-pressure liquid form. An AC system can not supply your house with cold air if the expansion valve was worn out.
Subtle cues of a weak expansion valve
- Your AC unit takes forever trying to keep the home at a comfortably cold temperature
- AC air production is warmer than it should be coming into the home
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