SKU: 66383654777

MRCOOL DIY 4th Gen 3-Zone 48,000 BTU 21 SEER (12K + 18K + 18K) Ductless Mini Split AC and Heat Pump with Ceiling Cassettes - 230V

Sale price$3152.25 Regular price$3502.50
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Ships within 48 hours · Estimated delivery Jul 22 - Jul 27

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Description

MRCOOL DIY 4th Gen 3-Zone 48,000 BTU 21 SEER (12K + 18K + 18K) Ductless Mini Split AC and Heat Pump with Ceiling Cassettes - 230VThe MRCOOL DIY Multi Zone 4th Gen 48K BTU Three Zone Ductless Mini Split with Ceiling Cassettes 12K + 18K + 18K offers a user friendly installation process while delivering powerful heating and cooling capabilities. The ceiling cassettes in this system provide efficient climate control and blend seamlessly into your ceiling, making them a discreet solution for any space. Designed for both new construction and retrofits, the low profile units can be

 

The MRCOOL DIY Multi-Zone 4th Gen 48K BTU Three-Zone Ductless Mini Split with Ceiling Cassettes 12K + 18K + 18K offers a user-friendly installation process while delivering powerful heating and cooling capabilities. The ceiling cassettes in this system provide efficient climate control and blend seamlessly into your ceiling, making them a discreet solution for any space. Designed for both new construction and retrofits, the low-profile units can be recessed between joists with a 16" center, without the need for ductwork.

Key Features:

  • Flexible Heating and Cooling: The system includes three indoor air handlers, consisting of one 12K BTU unit and two 18K BTU units, which can comfortably heat and cool areas of up to 500 sq. ft. and 750 sq. ft., respectively. These units use the 48,000 BTU condenser’s capacity to deliver reliable comfort to multiple rooms.

  • DIY Installation: The system is designed for easy, hassle-free installation using the MRCOOL® DIY® Quick Connect® line set and No-Vac® Coupler. The line sets come pre-charged with R-410A refrigerant, so no professional tools or HVAC technicians are required.

  • Smart Control: The system can be controlled via the MRCOOL Smart Controller app, compatible with both Apple and Android devices. The mini-splits also integrate with Amazon Alexa and Google Home for voice control, making it convenient to adjust your home’s climate.

  • Energy Efficiency: With a SEER rating of 21, this system ensures efficient operation throughout the year. It can also dehumidify your space, making it a versatile solution for all seasons.

  • Quiet Operation: The cassettes operate quietly, making them ideal for living rooms, bedrooms, and workspaces. The system also features an Elevation function that lowers the filter panel for quick and easy air filter maintenance.

Additional Benefits:

  • Multi-room Comfort: The system supports up to five indoor units, allowing you to customize your HVAC solution to meet the specific needs of your home.
  • Warranty: This system comes with a 7-year compressor warranty (with an optional lifetime compressor warranty) and a 5-year parts warranty, ensuring peace of mind and long-term reliability.

Customization and Alerts:

The system provides real-time alerts and troubleshooting codes on the display, helping homeowners stay informed of any issues. Additionally, features like sleep mode, timer function, and muting options help reduce energy consumption and provide quiet operation, even in sensitive environments.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 66383654777

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I am satisfied with this 4 AWG cable. The insulation coating is soft, and the cable itself is very pliable, making it easy to bend and route into the configuration needed for installation. Despite the flexibility, it still feels like a heavy-duty cable designed to handle demanding applications. I am using this cable to provide the necessary amperage to start the generator on my trailer, and it performs as expected. I also like that the wire gauge and cable properties are clearly printed along the side of the insulation, making identification easy during installation or future maintenance. The cable arrived in good condition with no obvious odor from the insulation or packaging. Overall, this appears to be a quality heavy-duty cable that is flexible, easy to work with, and suitable for high-current applications.
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Reviewed in the United States on May 8, 2026
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hazard2k
Waukegan, US
★★★★★ 5
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Size: 10ft, Color: 4awg
I love having heavy duty cable on hand for my cars. It's so nice to be able to make your own starter and alternator cables when restoring cars. These cables are 100% copper, not CCA (copper clad aluminum) like many others are. Copper is far superior for conductivity and handling higher loads. The rubber on the cable is thick and yet very flexible..it's clearly marked and seems very durable. I like to use a hydraulic crimping tool and then add marine grade heat shrink tubing with the adhesive inside of it to keep it as weatherproof as possible.
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Reviewed in the United States on May 10, 2026
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Ken H
New York, US
★★★★★ 5
Easy to work with
I bought this to wire up an airplane I built. I had to cut it into 10 separate pieces and crimp and solder lugs to each end. It was just the right length for what I needed and I'm very happy with the results.
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Reviewed in the United States on January 5, 2024
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Quinn Harrison
Birmingham, US
★★★★★ 5
Good product. I will buy again.
Great value. It did show up covered in small fiberglass particles which was a bit annoying.
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Reviewed in the United States on March 10, 2021
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Scott Yeh
Natrona Heights, US
★★★★★ 5
Excellent true copper wires 6 AWG cable
I bought them to use on sub-wiring job running 12vdc from positive terminal to custom fuse box of my van. This cable maybe mainly for welding machine, but it works great for my project with its true copper wires and high flexibility.
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