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Today's Hours 8am - 11pm est48,000 BTU Stealth DIYCOOL 21.8 SEER2 4-Zone Mini Split Wall Mount Heat Pump System R454B | 230V - 9 + 9 + 9 + 18
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By
Stealth
In stock
Model
EZ-48Z-M5B / EZ-09W-MB-3 / EZ-18W-MB
ID
210938
Was $8,597.83
Your Low Price $5,347.99
- Do-It-Yourself Installation
- SEER2 Rating 21.8
- 48,000 BTU
- Perfect for three rooms up to 250-400 sqft and one room up to 600-1,000 sqft
- R454B Refrigerant
Stealth EZ-48Z-M5B / EZ-09W-MB-3 / EZ-18W-MB Quad Zone Mini Split System
The Stealth EZ-48Z-M5B / EZ-09W-MB-3 / EZ-18W-MB is a 48,000 BTU high-efficiency DIYCOOL quad-zone mini split wall mount heat pump system with a 21.8 SEER2 rating. This system combines the EZ-48Z-M5B condenser with three 9,000 BTU indoor units ( EZ-09W-MB-3) and one 18,000 BTU indoor unit ( EZ-18W-MB) for versatile multi-zone heating and cooling. It uses R454B refrigerant and operates on 230 V power for reliable, energy-efficient performance.
This quad-zone system allows independent control of each indoor unit, providing customized comfort for multiple rooms while maintaining quiet and efficient operation.
Key Features
- 48,000 BTU condenser with three 9,000 BTU and one 18,000 BTU indoor units – quad-zone operation
- High efficiency – 21.8 SEER2 for energy-conscious installations
- Self-diagnostic system with leak detection
- Sleep mode, auto swing, and louver position memory
- ENERGY STAR certified
- Advanced inverter technology for quiet, efficient operation
- DIY-friendly installation for flexible setup
- 5-year parts warranty and 7-year compressor limited warranty with online registration
Note: Installation kit and line sets are sold separately.
The Stealth brand is formerly know as Infinity Living.
48,000 BTU Stealth Multi Zone Condenser-R454B
Experience powerful, year-round comfort with a high-capacity multi-zone outdoor condenser designed for flexible zoning, efficient performance, and simplified DIY installation.
The Stealth DIYCOOL Series 48,000 BTU Multi-Zone Mini Split Heat Pump Condenser delivers reliable heating and cooling for spaces up to 2,500 square feet. Operating on 230V power and utilizing environmentally friendly R-454B refrigerant, this inverter-driven outdoor condenser provides efficient performance with up to 21.8 SEER2 efficiency. Designed to support multiple compatible indoor air handlers, it allows homeowners to create customized comfort zones throughout larger homes or office spaces while maintaining quiet and energy-efficient operation throughout the year.
Key Features
- Multi-Zone Comfort Control — Supports multiple compatible indoor units, allowing personalized temperature control across different rooms and areas.
- High-Efficiency Inverter Performance — Delivers 48,000 BTU of heating and cooling capacity with up to 21.8 SEER2 efficiency for dependable comfort and improved energy savings.
- DIY-Friendly Installation — Designed with Stealth DIYCOOL technology to help simplify setup and provide a more convenient installation experience.
- Quiet, Reliable Operation — Engineered with advanced inverter technology and durable outdoor construction for efficient, low-noise performance in varying conditions.
- Smart Comfort Compatibility — Works with compatible Stealth DIYCOOL indoor units featuring convenient functions such as Wi-Fi control, sleep mode, auto swing, and louver position memory.
Warranty
Stealth offers a limited warranty of 7-Year Compressor / 5-Year Parts Warranty when installed according to manufacturer guidelines.
9,000 BTU Stealth Wall Mounted Air Handler-R454B
Enjoy flexible, year-round comfort with a compact multi-zone wall-mounted indoor air handler designed for efficient performance, quiet operation, and seamless integration with Stealth DIYCOOL Series heat pump systems.
The Stealth DIYCOOL Series 9,000 BTU Multi-Zone Wall Mount Mini Split Air Handler provides efficient heating and cooling for spaces up to 400 square feet. Operating on 230V power and utilizing environmentally friendly R-454B refrigerant, this indoor unit delivers reliable zone comfort with quiet operation and a sleek, space-saving wall-mounted design. Designed to pair with compatible Stealth DIYCOOL Series multi-zone condensers, it is an ideal solution for bedrooms, offices, apartments, and other smaller spaces requiring customized temperature control.
Key Features
- Multi-Zone Compatibility — Designed to work with compatible Stealth DIYCOOL multi-zone heat pump systems, allowing flexible comfort control across multiple rooms or areas.
- Efficient Heating & Cooling — Provides 9,000 BTU of capacity for dependable temperature control in smaller residential and office spaces.
- Quiet Indoor Performance — Engineered with advanced inverter technology for smooth, energy-efficient operation and reduced operating noise.
- DIY-Friendly Wall Mount Design — Features a compact wall-mounted configuration designed for flexible installation and compatibility with Stealth DIYCOOL systems.
- Smart Comfort Features — Includes convenient features such as Wi-Fi capability, sleep mode, auto swing, louver position memory, and self-diagnostic functionality for easier operation and maintenance.
Warranty
Stealth offers a limited warranty of 7-Year Compressor / 5-Year Parts Warranty when installed according to manufacturer guidelines.
Stealth 50’ EZ Connect DIYCOOL Line Set for 9k, 12k, 18k Air Handlers - R454B
50 ft Stealth DIYCOOL Multi‑Zone Pre‑Charged Line Set – R454B
The Stealth EZ-50-1412-MB is a 50-foot EZ Connect DIYCOOL line set designed for use with 9,000, 12,000, and 18,000 BTU Stealth air handlers. Compatible with R454B refrigerant, this line set ensures efficient and reliable installation of multi-zone mini-split systems.
Its durable construction and pre-flared connections simplify setup, making it ideal for DIYCOOL or professional installations while maintaining system efficiency.
Key Features
- Length: 50 feet
- Compatible with 9k, 12k, and 18k BTU DIYCOOL air handlers
- Supports eco-friendly R454B refrigerant
- EZ Connect design for simplified installation
- Durable, pre-flared connections for reliable performance
- Ideal for DIYCOOL or professional multi-zone mini-split setups
Note: Line set only; requires compatible indoor and outdoor units for full operation.
The Stealth brand is formerly know as Infinity Living.
18,000 BTU Stealth Single Zone Air Handler-R454B
Enjoy flexible, year-round comfort with a multi-zone wall-mounted indoor air handler designed for efficient performance, quiet operation, and easy integration with Stealth DIYCOOL Series heat pump systems.
The Stealth DIYCOOL Series 18,000 BTU Multi-Zone Wall Mount Mini Split Air Handler provides efficient heating and cooling for spaces up to 1,000 square feet. Operating on 230V power and utilizing environmentally friendly R-454B refrigerant, this indoor unit delivers reliable zone comfort with quiet operation and a sleek, space-saving wall-mounted design. Designed for compatibility with Stealth DIYCOOL Series multi-zone condensers, it is an ideal solution for bedrooms, living areas, offices, apartments, and other spaces requiring customized temperature control.
Key Features
- Multi-Zone Compatibility — Designed to work with compatible Stealth DIYCOOL multi-zone heat pump systems, allowing flexible comfort control across multiple rooms or areas.
- Efficient Heating & Cooling — Provides 18,000 BTU of capacity for reliable temperature control in medium to large spaces.
- Quiet Indoor Performance — Engineered for smooth, low-noise operation to help maintain a comfortable indoor environment.
- DIY-Friendly Wall Mount Design — Features a compact wall-mounted configuration with quick-connect compatibility for easier installation with Stealth DIYCOOL systems.
- Smart Comfort Features — Includes convenient features such as Wi-Fi capability, smartphone control, remote operation, and reliable system monitoring for enhanced comfort management.
Warranty
Stealth offers a limited warranty of 7-Year Compressor / 5-Year Parts Warranty when installed according to manufacturer guidelines.
17" Wall Mount Bracket for Mini Split Systems
This wall mount bracket is perfect for outdoor mini split condensers. The length of the the wall bracket arms are 17” long. The condensing unit is mounted onto the L-shaped brackets and fastened using the bolts and anti-vibration washers provided.
Features:- 17” Arm Length
- Weight capacity of 220 lbs per arm
- Bolts and anti-vibration washers included
No Return Policy
All sales of this product are final and are non-refundable.
Installation Kit for Condensers
Ensure a professional and secure installation for your condenser with this comprehensive installation kit. Designed to provide all the essential components needed for a smooth setup, this kit helps protect your system while ensuring proper electrical and refrigerant connections.
What’s Included:
- 3/4" x 6' Electrical Whip – SKU: 84138
- 60A Non-Fused Disconnect – SKU: 83335
- Surge Protector – SKU: ICM517
- CPS Charging Adapter – SKU: 87-AD87
- Telescoping Wall Sleeve – SKU: NFP-75
Equip your condenser with everything needed for a safe, durable, and professional installation. Order your Condenser Installation Kit today!
Stealth 35’ DIYCOOL Line Set for 9k, 12k, 18k Air Handlers - R454B
35 ft Stealth DIYCOOL Multi‑Zone Pre‑Charged Line Set – R454B
The Stealth EZ-35-1412-MB is a 35-foot EZ Connect DIYCOOL line set designed for use with 9,000, 12,000, and 18,000 BTU Stealth air handlers. Compatible with R454B refrigerant, this line set ensures efficient and reliable installation of multi-zone mini-split systems.
Its durable construction and pre-flared connections simplify setup, making it ideal for DIYCOOL or professional installations while maintaining system efficiency.
Key Features
- Length: 35 feet
- Compatible with 9k, 12k, and 18k BTU DIYCOOL air handlers
- Supports eco-friendly R454B refrigerant
- EZ Connect design for simplified installation
- Durable, pre-flared connections for reliable performance
- Ideal for DIYCOOL or professional multi-zone mini-split setups
Note: Line set only; requires compatible indoor and outdoor units for full operation.
The Stealth brand is formerly know as Infinity Living.
Stealth 25' EZ Connect DIYCOOL Line Set for 9k, 12k, & 18k Air Handlers - R454B
25 ft Stealth DIYCOOL Multi‑Zone Pre‑Charged Line Set – R454B
The Stealth EZ-25-1412-MB is a 25-foot EZ Connect DIYCOOL line set designed for use with 9,000, 12,000, and 18,000 BTU Stealth air handlers. Compatible with R454B refrigerant, this line set ensures easy and efficient installation of multi-zone mini-split systems.
Its durable construction and pre-flared connections simplify setup, making it ideal for DIYCOOL installations while maintaining reliable performance and system efficiency.
Key Features
- Length: 25 feet
- Compatible with 9k, 12k, and 18k BTU DIYCOOL air handlers
- Supports eco-friendly R454B refrigerant
- EZ Connect design for simplified installation
- Durable, pre-flared connections for reliable performance
- Ideal for DIYCOOL or professional multi-zone mini-split setups
Note: Line set only; requires compatible indoor and outdoor units for full operation.
The Stealth brand is formerly know as Infinity Living.
Top reviews
- Great service we had trouble with one of the heads and they took it off the bill and I was able to pick one up in Dalton Ga.Great company very helpful
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