MRCOOL DIY 5th Gen Multi-Zone 5-Zone 55,000 BTU 22 SEER2 (12K + 12K + 12K + 18K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes Technician Required Diagnostics & Service Mode: Built‑in

Diagnostics & Service Mode: Built‑in diagnostic LEDs help you quickly identify faults

✅ Smart Water Detection Technology – Automatically shuts off the HVAC system when water levels rise

Lost your MRCOOL ceiling cassette remote in the hustle of daily life

The Universal High-ESP Air Handler also uses a durable metal filter that is both easy to clean and corrosion resistant to ensure it has a long service life

This condenser can also support up to three air handlers

MRCOOL DIY 5th Gen Multi-Zone 5-Zone 55,000 BTU 22 SEER2 (12K + 12K + 12K + 18K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes Technician Required Diagnostics & Service Mode: Built‑inMRCOOL DIY Multi Zone 5th Gen 55K BTU Five Zone Ductless Mini Split with Ceiling Cassettes 12K + 12K + 12K + 18K + 18K A Heating and AC System You Can Install By Yourself! MRCOOL DIY Series Ceiling Cassettes provide efficient heating and cooling while remaining out of sight and discreet, making them a perfect fit for any space. The cassette features an easy, low profile installation and can be recessed between all types of joists on 16 inch centers,