The MRCOOL DIY-MULTI3-18HP230D-O is an 18,000 BTU, 230V outdoor condenser designed for the MRCOOL DIY 5th Gen multi-zone ductless mini-split heat pump system. It uses inverter-driven technology to circulate R-454B refrigerant, providing efficient heating and cooling through up to three compatible indoor air handlers. With a 23.9 SEER2 rating, it supports energy-conscious operation whi... https://www.partshnc.com/mrcool-diy-5th-generation-multi-zone-mini-split-condenser-diy-multi3-18hp230d-o