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Payne PA1ZNA030000AAAA Expansion Valve
A normal AC expansion valve lets the coolant to expand into its normal low-pressure gas state from its highly pressured liquid form. A split-system AC unit can not deliver properly cooled air if it were to lack a properly working expansion valve.
Important signs your main expansion valve should be replaced
- The air conditioner takes its sweet time in a bid to cool the house down
- The air conditioned air is not as cold as it used to be exiting the vents
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