Mitsubishi 42,000 BTU Commercial Ceiling Suspended Single Zone Cooling Only System (PCA-A42KA8 & PUY-A42NKA7)Mitsubishi's commercial 42,000 BTU ceiling suspended single zone heat pump (PCA A42KA8 & PUY A42NKA7) is part of Mitsubishi's P series. This single zone unit is perfect for larger retail stores, classrooms, restaurants and other business and commercial applications. Mitsubishi Electric created the P series systems for commercial applications. P series systems like the PCA A42KA8 & PUY A42NKA7 are built with more durable materials, meant to survive