The MRCOOL DIY-MULTI3-18HP230D-O is an 18,000 BTU outdoor condenser designed for MRCOOL DIY 5th Gen multi-zone mini-split heat pump systems. Operating on 230 volts, it circulates refrigerant between the outdoor condenser and connected indoor air-handling units to transfer heat for efficient cooling and heating. This condenser is used with compatible ductless mini-split HVAC equipment ... https://www.partshnc.com/mrcool-diy-5th-generation-multi-zone-mini-split-condenser-diy-multi3-18hp230d-o