MRCOOL® 48K 5th Gen 6-Zone DIY® Bundle with (12K + 36K) Air Handlers & (25ft + 25ft) Pre-Charged R-454B Line Sets, (230V)-DIYM248HPW04D07

Product Description 

Model: DIYM248HPW04D07   

The MRCOOL DIYM248HPW04D07 is a powerhouse multi-zone configuration built for homeowners who want commercial-level heating and cooling without hiring an HVAC installer. With the massive 48,000 BTU DIY double-stack condenser, this system comfortably conditions up to 2,000 sq. ft. and supports up to six zones, making it ideal for whole-home use, additions, shops, and mixed-size rooms.

This bundle pairs:

• A 12K indoor air handler for small to medium rooms
• A 36K high-output air handler for large, open spaces
• Two 25ft pre-charged line sets sized for each indoor unit

This combination gives you the flexibility to heat and cool a wide range of room sizes with a single outdoor system.

48K Multi-Zone Double-Stack Condenser — The Heart of the System

Your bundle includes the DIY-MULTI6-48HP230D-O, the strongest DIY condenser MRCOOL has produced.

Key Performance Advantages

• 21.8 SEER2 efficiency
• R-454B new-generation refrigerant
• Supports up to six zones simultaneously
• Smooth, quiet DC inverter performance
• Anti-corrosion Gold-Fin protection
• Built-in SmartHVAC™ WiFi + App Control
• Compatible with Alexa & Google Home

Engineered for long-term dependability, it delivers steady comfort even in demanding climates.

12K Wall-Mounted Air Handler — Ideal for Bedrooms & Offices

The DIY-12-HP-WMAH-230D25-O delivers efficient comfort in:

• Bedrooms
• Small living areas
• Home offices
• Guest rooms
• Bonus rooms

It provides quiet operation, smart airflow control, and energy-saving inverter efficiency.

36K Air Handler — Built to Move Heavy Air in Large Spaces

The DIY-36-HP-WMAH-230D25-O brings serious capacity and airflow, making it perfect for:

• Large living rooms
• Workshops
• Finished basements
• Home gyms
• Large master suites
• Wide open layout spaces

Its powerful motor and optimized refrigerant path ensure reliable temperature control across big areas.

Includes Two 25ft Quick-Connect Line Sets (Pre-Charged & Vacuum-Free)

This bundle includes the exact line sets required for each indoor unit:

 DIY25-1438-O — 25ft 1/4 × 3/8

For the 12K indoor unit.

DIY25-3858-O — 25ft 3/8 × 5/8

For the 36K indoor unit.

Each line set features:

• Pre-charged R-454B
• Leak-proof Quick-Connect fittings
• Vacuum-free installation
• Heavy insulation + UV jacket
• MRCOOL’s patented DIY Pro® Cable protection

These are designed specifically for long-run, multi-zone performance.

ELECTRICAL REQUIREMENTS (48K Condenser)

• Max Breaker: 45A
• Minimum Circuit Ampacity: 40A
  Use the correct breaker for safety and warranty protection.

WHAT’S INCLUDED — DIYM248HPW04D07 BUNDLE

Outdoor Condenser

• DIY-MULTI6-48HP230D-O (48K double-stack)

Indoor Units

• 12K wall-mount air handler
• 36K wall-mount air handler

Line Sets

• DIY25-1438-O (25ft 1/4 × 3/8)
• DIY25-3858-O (25ft 3/8 × 5/8)

Accessories

• SmartHVAC controller
• DIYPro® cables
• Remote controls
• Mounting brackets
• Wall sleeves & hardware
• Manuals & guides

FAQ- Frequently Ask Questions for MRCOOL DIYM248HPW04D07 Bundle.

Does this system require professional installation?

No — the entire system is DIY-friendly.

Can I add more indoor units later?

Yes, the 48K condenser supports up to six total zones.

What size room does the 36K air handler handle?

Up to 1,550 sq. ft. depending on insulation and ceiling height.

Is WiFi included?

Yes — SmartHVAC WiFi control is fully integrated.

Is R-454B better than R-410A?

Yes — it’s more efficient and environmentally advanced.

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.