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Whirlpool ATR1553SPP0 Expansion Valve
Your home air conditioner cannot possibly cool the house if the valve was not doing its job. Your HVAC system expansion valve allows the coolant to expand back to its low-pressure gaseous form from a high pressure liquid state.
Major signs your main expansion valve is going to die
- The outdoor AC unit takes way too long to comfortably keep the home at a comfortably cold temperature
- The cold airflow is much warmer than it really should be coming from the vents
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