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 HVAC615-553-8118
Family owned & USAs #1 MRCOOL Authentication Dealer.
 
Brand:MRCOOL®Category:2 Zones/RoomsSKU:DIYM248HPW04D07Tags:12k + 36k BTU, 12K Air Handler, 36K Air Handler, 48K DIY Multi Zone, DIY, DIY 5th Gen, DIY Mini Split Bundle, DIY Multi Zone, DIY Series, DIY-MULTI6-48HP230D-O, DIY25-1438-O, DIY25-3858-O, DIYM248HPW04D07, MRCOOL, MRCOOL Direct, MRCOOL DIY, MULTI ZONE, Pre-Charged R-454B, Quick Connect Line Set, R-454B, R-454B refrigerant, R454B