MRCOOL DIY Mini Split – 42,000 BTU 4 Zone Ductless Air Conditioner and Heat Pump with 25 ft. Install Kit, DIYM448HPW02C84
$7,107.00 Original price was: $7,107.00.$5,778.00Current price is: $5,778.00.
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Introducing the 4th Generation MRCOOL Mini Split, a comprehensive solution designed to effortlessly cool and heat up to four separate rooms. This package, inclusive of the DIY 48,000 BTU Multi-Zone Condenser, two 9,000 BTU Wall Mounted Air Handlers, two 12,000 BTU Wall Mounted Air Handlers, four Remotes, and four 25 ft. Installation Kits, provides everything needed for efficient climate control. What sets this system apart is its DIY installation capability, empowering users to set up the system without the need for specialized tools or costly equipment.
Package Contents:
- MRCOOL DIY Multi Zone 5-Zone Condenser, 4th Gen Series, DIY-MULTI5-48HP230C
- MRCOOL DIY 4th Generation 9K BTU Wall Mount Air Handler 230 Volt with Enhanced WiFi, DIY-09-HP-WMAH-230C25 (x2)
- MRCOOL DIY 12k BTU Ductless Mini Split Air Handler, Energy Star, 4th Gen, DIY-12-HP-WMAH-230C25 (x2)
- MRCOOL 25ft 1/4 x 1/2 Lineset for DIY 9K, 12K & 18K Indoor, DIY25-1412 (x4)
Condenser Features:
- Energy Efficient: When paired with select MRCOOL air handlers, this 5 Zone condenser achieves an impressive 20.5 SEER efficiency rating.
- All-Weather Performance: Capable of heating even in temperatures as low as 5°F.
- Lifetime Warranty: Enjoy peace of mind with the only condenser on the market offering a limited lifetime compressor warranty. Register into the MRCOOL Care Program to activate the lifetime warranty.
9K BTU Air Handler (Quantity 2):
- Wide Coverage: Each handler can cover an area up to 375 sq. ft.
- Versatility: Equipped with multiple operating modes including COOL, HEAT, AUTO, DRY (dehumidify), and SLEEP.
- Smart Control: Control the unit via your Apple or Android smartphone using the Smart HVAC app.
- Easy Installation: Light and compact design facilitates easy mounting on most interior walls with the provided mounting plate.
12K BTU Air Handler (Quantity 2):
- Ample Coverage: Each handler can cover an area up to 500 sq. ft.
- Versatility: Offers various operating modes including COOL, HEAT, AUTO, DRY (dehumidify), and SLEEP.
- Smart Control: Manage the unit conveniently through your smartphone with the Smart HVAC app.
- Effortless Installation: Designed for easy mounting on most interior walls with the included mounting plate.
Line Set 25 ft. (Quantity 4):
- Seamless Connection: These copper line sets ensure proper connection between the MRCOOL Condenser and Air Handlers.
- Pre-Charged: Comes pre-charged with the precise amount of R-410A refrigerant.
- DIY Installation: Installation process can be easily executed without the need for a certified technician, saving you money.
Additional Accessories:
- Various installation-friendly tools including mounting plate, anchor, screws, remote control, and more, facilitating a hassle-free setup process.
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Product Overview
 Covers 1750 sq. ft.      Â
 DIY Installation
 Wall Mounted         Â
  Number of Zones: 4
 Voltage: 208 to 230     Â
 Outdoor Operating Temp (Cool): 5°F to 122°F
 Outdoor Operating Temp (Heat): 5°F to 75.2°F
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What's Included
Air Handler

Condenser

Line Set

Wall Sleeve

Communication Wire

Remote Control

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Specifications and Dimensions
Condenser Specifications Product Dimensions 37.48″W x 16.34″D x 52.48″H Cooling Capacity 48,000 BTU Heating Capacity 48,000 BTU Zone Capacity 5 Min Ambient Cool 5F ~ 122F Min Ambient Heat 5F ~ 75.2F SEER 20.5 EER 11 Voltage Requires a minimum of 208V-230V / 60HZ / 40-60A (please check your home meets this electrical requirement prior to purchase) Registered Warranty 7 Years Replacement on Condenser, 5 Years Parts Air Handler 9K BTU Product Dimensions 31.57″W x 7.44″D x 11.69″H Mount Type Wall Cooling Capacity 9,000 BTU Heating Capacity 9,000 BTU Registered Warranty 5 Years Parts Modes - Auto – auto selects from Cool, Heat or Fan-Only
- Dry – dehumidify
- Cool
- Heat
- Fan Only
- Quiet
- Sleep
Air Handler 12K BTU Product Dimensions 31.57″W x 7.44″D x 11.69″H Mount Type Wall Cooling Capacity 12,000 BTU Heating Capacity 12,000 BTU Registered Warranty 5 Years Parts Modes - Auto – auto selects from Cool, Heat or Fan-Only
- Dry – dehumidify
- Cool
- Heat
- Fan Only
- Quiet
- Sleep
Line Set Length 25 Feet Liquid Line Size 1/4″ Suction Line Size 1/2″ -
Coverage Area
When considering the purchase of our cooling or heating system, it’s essential to determine the appropriate BTU output based on the square footage of your space. Please refer to the following coverage chart for guidance:
- Square Feet: 180-375 | BTU = 9K
- Square Feet: 376-500 | BTU = 12K
- Square Feet: 501-750 | BTU = 18K
- Square Feet: 751-1,000 | BTU = 24K
- Square Feet: 1,001-1,500 | BTU = 36K
Keep in mind that additional factors, such as insulation quality, ceiling height, and the presence of appliances, can influence performance. For personalized assistance in selecting the optimal solution for your needs, don’t hesitate to reach out to our experienced Sales Team.
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Handling Line Sets
When installing your MRCOOL system, handle refrigerant lines carefully to ensure optimal performance and prevent damage.
Bending the Copper Lines: Maintain a minimum 4-inch bend radius and use smooth curves instead of sharp angles to protect the lines and ensure proper refrigerant flow.
Avoid Repeated Bending: Bending copper lines more than three times can harden and weaken them, increasing the risk of breakage. Handle with care and minimize adjustments.
For best results, use gradual bends and consult a licensed professional or our support team if needed.

























