MRCOOL® 48K 5th Gen DIY® Multi-Zone Bundle With (18K + 18k) Air Handlers & (25ft + 25ft) Pre-Charged R-454B Line Sets, (230V)-DIYM248HPW05D06

Product Description 

Model: DIYM248HPW05D06   

The Ultimate DIY Heating & Cooling System for Two Large Rooms

The MRCOOL DIYM248HPW05D06 is built for homeowners who want serious output across larger zones — without paying for HVAC labor. Backed by MRCOOL’s flagship 48K DIY double-stack condenser, this bundle delivers the power, efficiency, and flexibility normally reserved for contractor-grade equipment.

This configuration is ideal for homes with two oversized spaces that demand more airflow and stronger heating/cooling performance. With dual 18K air handlers, you get reliable comfort for rooms such as:

• Large master suites
• Full basements
• Great rooms
• Open living/dining areas
• Bonus rooms
• Workshops or garages
• High-ceiling spaces

And because this bundle includes two 25-foot Quick-Connect line sets, you can reach farther installation distances while keeping everything completely DIY-friendly.

48K DIY Double-Stack Condenser — The Strongest in the MRCOOL Lineup

Your bundle features the heavy-duty DIY-MULTI6-48HP230DP-O, engineered for up to six zones and built to handle mixed-capacity indoor units with ease.

Key Performance Features

• 21.8 SEER2 efficiency
• R-454B refrigerant (new eco-forward upgrade)
• Powerful heating & cooling for up to 2,000 sq. ft.
• Ultra-quiet inverter compressor
• Gold Fin® anti-corrosion protection
• SmartHVAC™ WiFi control (iOS, Android, Alexa, Google Home)
• Smooth ramping, fewer temperature swings, lower energy use

If you want the highest-output DIY condenser available today, this is the one.

Two 18K Indoor Units — Maximum Comfort for Bigger Rooms

Each DIY-18-HP-WMAH-230D25-O provides dependable heating and cooling for 700–800 sq. ft., making them the perfect match for demanding rooms.

Benefits of the 18K Units:

• Ultra-quiet airflow
• Follow-Me® temperature sensing
• Multi-speed fan control
• Dry Mode humidity management
• Smooth inverter performance
• R-454B system compatibility
• Full WiFi smart control

Whether you’re conditioning a large master bedroom, open living space, downstairs area, or workshop, these units deliver reliable, even comfort year-round.

Includes Two 25ft Line Sets — Extended Distance, Still DIY Easy

You get two (2) DIY25-1412-O line sets:

• 25ft length for flexible installation
• Pre-charged with R-454B refrigerant
• Factory vacuum-sealed
• No gauges, pumps, or professional tools
• Quick-Connect fittings
• Includes DIYPro® communication wire

These longer line sets expand installation options significantly while keeping the connection process simple and safe.

Correct Electrical Specs — For the 48K condenser (DIY-MULTI6-48HP230D-O):

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

WHAT’S INCLUDED — DIYM248HPW05D06

Outdoor Unit

• (1) × DIY-MULTI6-48HP230D-O
  48K 6-zone condenser

Indoor Units

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

Line Sets

• (2) × DIY25-1412-O
  25ft 1/4 × 1/2 pre-charged line sets

Accessories

• Remote controls
• SmartHVAC integration module
• Mounting hardware
• Wall sleeves & drain extensions
• DIYPro® cables
• Install guides

FAQ —  frequently Asked Questions 

Can this system heat reliably in cold climates?

Yes — the 48K condenser provides strong low-temperature heat when properly sized.

Can I expand to more zones later?

Yes, the condenser supports up to six zones, so you can add more indoor units anytime.

Do the 25ft line sets include communication wire?

Yes — DIYPro® cable comes pre-packed with each 25ft set.

How big of a room will each 18K unit cover?

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

Is installation truly DIY?

Yes — no HVAC tech needed. Everything is pre-charged and vacuum-sealed from the factory.

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.