MRCOOL® 48K DIY® Multi-Zone Bundle With Two 18K Air Handlers & 16ft Line Sets- R-454B — DIYM248HPW05D00

Product Description 

Model: DIYM248HPW05D00   

Built for Larger Rooms That Need Real Heating & Cooling Power

The MRCOOL DIYM248HPW05D00 is engineered for homeowners who want serious comfort output across larger areas without hiring an HVAC installer. Powered by the massive 48,000 BTU DIY double-stack condenser, this configuration supports up to six zones and delivers powerful performance for up to 2,000 sq. ft.

This specific setup is designed for homes that have two large rooms requiring major air movement and fast temperature changes. With two 18K indoor units, this system offers impressive capacity for oversized spaces, high ceilings, great rooms, workshops, basements, and more.

This bundle includes:

• Two 18K indoor wall-mounted air handlers
• Two 16ft pre-charged line sets sized for the 18K units
• The flagship 48K MRCOOL multi-zone condenser
• SmartHVAC WiFi control & DIYPro® cable technology
• No vacuum pumps, gauges, or refrigerant work needed

If you want the strength of a large commercial-style system with the simplicity of DIY installation, this is the perfect package.

 

⚡ 48K Double-Stack MRCOOL Condenser — Maximum DIY Output

Your bundle includes the top-tier DIY-MULTI6-48HP230D-O, the strongest condenser in the entire DIY lineup.

🔧 Performance Highlights

• 21.8 SEER2 cooling efficiency
• R-454B refrigerant for improved environmental performance
• Supports up to six zones
• Smooth inverter compressor operation
• Gold-Fin® anti-corrosion coating
• Alexa & Google Home compatible
• Full SmartHVAC™ App control on iOS/Android

Built to last and designed for high-demand installations, this condenser easily handles mixed-load zones with long, consistent heating and cooling cycles.

 

🌬️ Dual 18K Indoor Units — Designed for Large, Demanding Spaces

This bundle includes two 18,000 BTU indoor air handlers, perfect for:

• Large master bedrooms
• Big living rooms
• Open floor plan areas
• Finished basements
• Workshops / garages
• High ceiling rooms
• Shared living & kitchen combos

Each 18K unit features:

• Whisper-quiet operation
• Follow-Me® temperature sensing
• Energy-saving inverter technology
• Multi-speed airflow
• Built-in humidity control with Dry Mode

With two identical high-output units, you can efficiently maintain comfort in two of the largest rooms in your home.

 

🧊 Includes Two 16ft Quick-Connect Line Sets

Sized specifically for 18K systems:

✔ DIY16-1412-O — 16ft 1/4 × 1/2 (×2 units)

Both come:

• Pre-charged with R-454B
• Factory vacuum-sealed
• Equipped with Quick-Connect fittings
• DIYPro® cable included
• UV-protected and insulated

No refrigeration tech needed — simply tighten and lock the fittings.

 

🔌 CORRECT BREAKER SIZE — 48K CONDENSER

• Max Breaker: 45A
• Minimum Circuit Ampacity: 40A

 (Absolutely required for warranty)

 

📦 WHAT’S INCLUDED — DIYM248HPW05D00

✔ Outdoor Unit

• DIY-MULTI6-48HP230D-O (48K multi-zone condenser)

✔ Indoor Units

• (2) × DIY-18-HP-WMAH-230D25-O
  18K wall-mount air handlers

✔ Line Sets

• (2) × DIY16-1412-O
  16ft 1/4 × 1/2 pre-charged R-454B line sets 

✔ Accessories

• SmartHVAC WiFi controller
• DIYPro® communication cables
• Mounting plates, hardware, wall sleeves
• Remote controls
• Installation manuals

 

❓FAQ — Frequently Asked Questions 

Do the 18K units heat well in winter?

Yes — they provide reliable heating using inverter technology.

Can the 48K condenser run six zones later?

Absolutely. You can expand as your needs grow.

Is the installation really DIY?

Yes — Quick-Connect line sets eliminate vacuum pumps and gauges.

What’s the room size coverage for each 18K unit?

Typically 700–800 sq. ft. depending on layout and insulation.

Is this system WiFi-ready?

Yes — full SmartHVAC control out of the box.

  

Why Buy From MRCOOL DIRECT?

When you order from MRCOOL Direct, you get:

• ✅ Authorized MRCOOL dealer – Your warranty is protected
• ✅ Factory-fresh units – No refurbished or mystery sources
• ✅ Fast U.S. shipping – Most in-stock items ship in 1–3 business days
• ✅ Financing options – Make high-efficiency comfort more affordable
• ✅ Real product support – Help with sizing, line set selection, and DIY questions
• ✅ No third-party marketplace middlemen – Just genuine MRCOOL systems from a trusted dealer

BUY DIRECT!

Feel Free to call us anytime. Family Friendly help just a dial away. We love talking HVAC
615-553-8118

Family owned & USAs #1 MRCOOL Authentication Dealer.