The MRCOOL DIY-18-HP-C-230D25-O is an 18,000 BTU, 230V outdoor condenser designed for the 5th Generation single-zone ductless mini-split heat pump system. It works with a compatible MRCOOL DIY air handler by circulating R-454B refrigerant between the outdoor and indoor units to provide efficient heating and cooling. Its inverter-driven compressor supports consistent comfort while redu... https://www.partshnc.com/mrcool-diy-5th-gen-single-zone-mini-splits-diy-18-hp-c-230d25-o