The MRCOOL DIY® 3-Zone Multi-Zone Bundle (DIYM348HPW07D173) delivers powerful heating and cooling performance with true do-it-yourself installation. Featuring 3 indoor wall-mounted air handlers and a multi-zone condenser, this kit gives you independent comfort control in separate rooms — all without expensive professional installation.
Why Choose MRCOOL DIY®?
- No HVAC technician required — patented DIY® Quick-Connect® fittings
- Pre-charged line sets — no vacuum pump or gauges needed
- SmartHVAC™ WiFi control via smartphone, Alexa, or Google Assistant
- High-efficiency inverter technology helps reduce energy costs
- Quiet indoor and outdoor operation
- Industry-leading MRCOOL warranty
What’s Included in This Bundle
Everything needed for a complete 3-zone installation:
Outdoor Unit
- DIY-MULTI6-48HP230D-O
Indoor Units
- DIY-06-HP-WMAH-230D25-O
- DIY-18-HP-WMAH-230D25-O
- DIY-24-HP-WMAH-230D25-O
Line Sets
- DIY16-1438-O
- DIY50-1438C-O
- DIY16-1412-O
- DIY50-1412C-O
- DIY25-3858-O
- DIY50-3858C-O
Line Set Couplers
- DIYCOUPLER-1412K75C
- DIYCOUPLER-1412K75C
- DIYCOUPLER-3858K75C
Ideal Applications
- Bedrooms
- Home offices
- Living rooms
- Basements
- Garage/workshop conversions
Key Features
- Variable-speed inverter compressor
- Follow-Me® remote room sensing
- Gold-Fin® corrosion-resistant coils
- Sleep mode & scheduling
- Auto-restart after outage
- Low-ambient cooling
DIY Installation Notes
- No refrigerant handling required
- Pre-charged line sets
- Minimal wall penetration
- Independent zone control
- Optional line set extensions available
Why Buy From Mass HVAC Distributors?
- Authorized MRCOOL distributor
- Fast shipping from U.S. warehouses
- Expert support
- 100% genuine MRCOOL equipment
