The expansion valve is designed to slow the refrigerant before the evaporator. This process makes the most of the refrigerant's cooling capability. gpd recommends changing the expansion valve each time the A/C system is serviced.
GPD Warranty Information:12 months. IMPORTANT A/C COMPRESSOR WARRANTY NOTE: All compressors returned for defect must show proof of purchase of an A/C Orifice Tube (or A/C Expansion Valve), A/C Receiver Drier/Accumulator, and A/C System Flush or a Work Order showing the purchase of these items and that the system was flushed.
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