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42,000 BTU Mitsubishi FX-Series 19.3 SEER2 Dual Zone Wall Mounted Mini Split Heat Pump System - R454B | 18 + 18

28,600 BTU Mitsubishi FX-Series 21 SEER2 Dual Zone Wall Mounted Mini Split Heat Pump System - R454B | 12 + 12
28,600 BTU Mitsubishi FX-Series 21 SEER2 Dual Zone Wall Mounted Mini Split Heat Pump System - R454B | 12 + 12 MSZ-FX18NL MSZ-FX18NL MSZ-FX18NL MXZ-5D42NL MXZ-5D42NL MXZ-5D42NL PAC-LMA30BC PAC-LMA30BC 201814 366400 216741 366401 366402

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By

Mitsubishi

In stock

Model

MXZ-5D42NL / 2-MSZ-FX18NL

ID

199869

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Expected Arrival - January 2026
Was $9,116.85
Your Low Price $7,293.48
 
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Customize 42,000 BTU Mitsubishi FX-Series 19.3 SEER2 Dual Zone Wall Mounted Mini Split Heat Pump System - R454B | 18 + 18
42,000 BTU Mitsubishi Multi Zone Condenser - R454B
42,000 BTU Mitsubishi Multi Zone Condenser - R454B
42,000 BTU Mitsubishi Multi Zone Condenser - R454B   + $4,929.00
18,000 BTU Mitsubishi FX-Series Wall Mount Mini Split Air Handler - R454B
18,000 BTU Mitsubishi FX-Series Wall Mount Mini Split Air Handler - R454B
18,000 BTU Mitsubishi FX-Series Wall Mount Mini Split Air Handler - R454B   + $1,182.24
18,000 BTU Mitsubishi FX-Series Wall Mount Mini Split Air Handler - R454B
18,000 BTU Mitsubishi FX-Series Wall Mount Mini Split Air Handler - R454B
18,000 BTU Mitsubishi FX-Series Wall Mount Mini Split Air Handler - R454B   + $1,182.24
Refrigerant Line Set with 1/4" and 1/2" Line Ends - 15 feet
Refrigerant Line Set with 1/4" and 1/2" Line Ends - 15 feet
28,600 BTU Mitsubishi FX-Series 21 SEER2 Dual Zone Wall Mounted Mini Split Heat Pump System - R454B | 12 + 12

$7,293.48

42,000 BTU Mitsubishi FX-Series 19.3 SEER2 Dual Zone Wall Mounted Mini Split Heat Pump System - R454B | 18 + 18

Equipped with two 42,000 BTU wall-mounted units, this FX-Series system offers dependable heating and cooling for large rooms. An ideal fit for residential living rooms, master suites, or business spaces.

  • Total Capacity: 42,000 BTU
  • SEER2 Rating: 19.3
  • Indoor Unit Sizes: 18,000 + 42,000 BTU
  • Refrigerant: R454B - Eco-conscious performance
  • Mounting Type: Wall Mounted
  • Special Feature: Robust performance for large-zone cooling and heating

Perfect for users who need high output with the flexibility of wall-mounted installations.

42,000 BTU Mitsubishi M-Series Multi Zone Mini Split Heat Pump Condenser - R454B - MXZ-5D42NL

*Please Note* This product is currently estimated to ship sometime in January 2026

MXZ-5D42NL - Multi-Zone Heat Pump Outdoor Unit

The MXZ-5D42NL is a high-performance outdoor heat pump unit from Mitsubishi Electric, designed for multi-zone applications. Capable of connecting up to five indoor units, it provides efficient heating and cooling solutions for residential and light commercial settings, ensuring year-round comfort. Below are the key features and specifications of this model:

Key Features:

  • Variable Speed INVERTER-Driven Compressor: Adjusts compressor speed to match heating or cooling demand, optimizing energy efficiency and maintaining consistent indoor temperatures.
  • Quiet Operation: Operates at sound pressure levels as low as 52 dB(A), minimizing noise disturbances in your environment.
  • Blue Fin Heat Exchanger Coating: Enhances corrosion resistance, extending the unit's lifespan, especially in coastal or humid environments.
  • Built-in Base Pan Heater: Prevents ice buildup in the base pan during heating operation in cold weather conditions.
  • Advanced Protections: Includes compressor overcurrent detection, fan motor overheating/voltage protection, compressor thermal protection, and high-pressure protection for enhanced safety and reliability.
  • Seacoast Protection: Rated for 2,000 hours spraying time per ASTM B117 Standard, making it suitable for coastal areas.

Specifications:

  • Cooling Capacity at 95°F:
    • Maximum Capacity: 43,000 BTU/h
    • Rated Capacity: 40,500 BTU/h (Non-Ducted), 38,000 BTU/h (Mixed), 36,400 BTU/h (Ducted)
    • Minimum Capacity: 12,600 BTU/h (Non-Ducted), 12,600 BTU/h (Mixed), 12,600 BTU/h (Ducted)
  • Heating Capacity at 47°F:
    • Maximum Capacity: 53,600 BTU/h
    • Rated Capacity: 45,000 BTU/h (Non-Ducted), 43,000 BTU/h (Mixed), 41,000 BTU/h (Ducted)
    • Minimum Capacity: 12,800 BTU/h (Non-Ducted), 12,800 BTU/h (Mixed), 12,800 BTU/h (Ducted)
  • Heating Capacity at 17°F:
    • Maximum Capacity: 30,500 BTU/h
    • Rated Capacity: 29,000 BTU/h (Non-Ducted), 27,600 BTU/h (Mixed), 26,200 BTU/h (Ducted)
  • Heating Capacity at 5°F:
    • Maximum Capacity: 25,000 BTU/h
  • Efficiency Ratings:
    • SEER2: 19.30 (Non-Ducted), 17.45 (Mixed), 15.60 (Ducted)
    • EER2: 9.30 (Non-Ducted), 9.15 (Mixed), 9.00 (Ducted)
    • HSPF2 (IV): 9.10 (Non-Ducted), 8.55 (Mixed), 8.00 (Ducted)
    • COP at 47°F: 3.00 (Non-Ducted), 2.82 (Mixed), 2.66 (Ducted)
    • COP at 17°F (Maximum Capacity): 2.00 (Non-Ducted), 1.80 (Mixed), 1.62 (Ducted)
    • COP at 5°F (Maximum Capacity): 1.76 (Non-Ducted), 1.56 (Mixed), 1.38 (Ducted)
  • Electrical Requirements:
    • Power Supply: 208/230 V AC, Single-phase, 60 Hz
    • Guaranteed Voltage Range: 198 - 253 V AC
    • Voltage (Indoor to Outdoor, S1-S2): 208/230 V AC
    • Voltage (Indoor to Outdoor, S2-S3): 24 V DC
    • Recommended Wire Size (Indoor to Outdoor): AWG 14
    • Short-circuit Current Rating (SCCR): 5 kA
    • Minimum Circuit Ampacity (MCA): 39.2 A
    • Maximum Overcurrent Protection (MOCP): 67 A
  • Fan Motor:
    • Full Load Amperage: 1.74 A
    • Output: 88 W
    • Airflow Rate: 2,447 CFM (Cooling), 2,514 CFM (Heating)
  • Unit Dimensions:
    • Width: 37-13/32 inches
    • Depth: 13 inches
    • Height: 31-11/32 inches
    • Weight: 152 lbs (69 kg)

The MXZ-5D42NL is ideal for applications requiring efficient heating and cooling performance across multiple zones. Its advanced features ensure reliable operation and enhanced comfort throughout the year.

18,000 BTU Mitsubishi FX-Series Single or Multi Zone Wall Mounted Mini Split Air Handler - R454B

MSZ-FX18NL Indoor Unit Description

The MSZ-FX18NL is a high-performance wall-mounted indoor unit designed for comfort and efficiency. It features advanced technologies that ensure effective climate control and energy-saving performance. Below are the key features and specifications:

  • 3D i-see Sensor®: Scans each room to produce a complete thermal profile, adjusting temperature and airflow based on occupancy.
  • Dual Barrier Coating: Reduces the accumulation of contaminants like dust, fibers, and smoke, ensuring optimal airflow and easier maintenance.
  • Dual Vane System: Independently controls two vanes to deliver airflow across wide areas or to specific zones in the room.
  • Econo Cool: Automatically adjusts airflow and temperature slightly to save energy while maintaining comfort.
  • Smart Dry +: Offers precise humidity control with minimal over-cooling, improving comfort.
  • Quiet Operation: Designed for minimal noise during operation, ensuring a peaceful indoor environment.
  • Wi-Fi Enabled: Compatible with the Comfort app for remote control over temperature, fan speeds, and modes.
  • Triple Action Filtration: Includes Microparticle, Electrostatic Enzyme, and optional Carbon-based filters to remove dust, smoke, and neutralize odors.
  • Multiple Fan Speeds: Choose from Low, Medium, High, Powerful, and Auto settings to adjust airflow as needed.
  • Energy Star® Certified: This unit is certified for energy efficiency, helping reduce electricity consumption while maintaining high performance.

Specifications

  • Cooling Capacity: Rated at 17,200 Btu/h with a maximum capacity of 21,500 Btu/h.
  • Heating Capacity: Rated at 17,000 Btu/h, capable of providing heating down to -22°F outdoor temperatures.
  • Energy Efficiency: SEER of 25.5 and HSPF of 11.1, ensuring high energy savings.
  • Voltage: Compatible with 208/230V AC, 1 phase, 60Hz electrical supply.
  • Dimensions: Indoor unit measures 39-9/32 x 9-3/4 x 12 inches (998 x 247 x 305 mm).
  • Sound Levels: Operates quietly with sound pressure levels of 27-45 dB(A) during cooling and 26-46 dB(A) during heating.
Mitsubishi M-Series - 3 Ports - Branch Box

Mitsubishi Electric PAC-LMA30BC Branch Box

The PAC-LMA30BC branch box is designed for efficient refrigerant distribution in Mitsubishi Electric HVAC systems. It supports up to three indoor units and ensures optimal performance through advanced piping configurations. Its compact design and durable construction make it ideal for residential and commercial applications.

Key Features

  • Supports Multiple Indoor Units: Connects up to three indoor units for flexible installation.
  • Efficient Refrigerant Distribution: Ensures balanced refrigerant flow to each connected unit.
  • Durable Construction: Galvanized steel casing provides long-lasting protection.
  • Compact Design: Optimized dimensions for easy installation in tight spaces.
  • Low Power Consumption: Operates efficiently with a power input of only 0.003 kW.

Technical Specifications

  • Power Supply: Single-phase, 208/230V, 60Hz
  • Running Current: 0.15A
  • Dimensions (W x D x H): 17-3/4" x 11-1/16" x 6-3/4" (450mm x 280mm x 170mm)
  • Weight: 15 lbs (6.7 kg)

Piping Connections

  • Indoor Unit Connections:
    • Liquid Line: 1/4" (6.35mm) x 3
    • Gas Line: 3/8" (9.52mm) x 3
  • Outdoor Unit Connections:
    • Liquid Line: 3/8" (9.52mm)
    • Gas Line: 5/8" (15.88mm)

Optional Accessories

  • Branch Box Enclosure (BBE-1): Protects the branch box in exposed installations.
  • Port Adapters: Available for different pipe diameter conversions.

The PAC-LMA30BC branch box provides an essential connection point for multi-zone HVAC systems, enhancing performance and installation flexibility.

Refrigerant Line Set with 1/4" and 1/2" Line Ends - 15 feet

Refrigerant line set (pair) for mini split systems, liquid line size 1/4 inch O.D. flared ends, suction line size 1/2 inch O.D. flared ends, length 15 feet, insulation thickness of 1/2 inch. For use with air conditioning and refrigeration systems, includes both the liquid line and the suction line.

Features:

  • One pair, heavy duty refrigerant lines
  • Flared line ends
Refrigerant Line Set with 1/4" and 1/2" Line Ends - 30 feet

Refrigerant line set (pair) for mini split systems, liquid line size 1/4 inch O.D. flared ends, suction line size 1/2 inch O.D. flared ends, length 30 feet, insulation thickness of 1/2 inch. For use with air conditioning and refrigeration systems, includes both the liquid line and the suction line.

Features:

  • One pair, heavy duty refrigerant lines
  • Flared line ends
Refrigerant Line Set with 1/4" and 1/2" Line Ends - 50 feet

Refrigerant line set (pair) for mini split systems, liquid line size 1/4 inch O.D. flared ends, suction line size 1/2 inch O.D. flared ends, length 50 feet, insulation thickness of 1/2 inch. For use with air conditioning and refrigeration systems, includes both the liquid line and the suction line.

Features:

  • One pair, heavy duty refrigerant lines
  • Flared line ends
Refrigerant Line Set with 1/4" and 1/2" Line Ends - 25 feet

Refrigerant line set (pair) for mini split systems, liquid line size 1/4 inch O.D. flared ends, suction line size 1/2 inch O.D. flared ends, length 25 feet, insulation thickness of 1/2 inch. For use with air conditioning and refrigeration systems, includes both the liquid line and the suction line.

Features:

  • One pair, heavy duty refrigerant lines
  • Flared line ends
Refrigerant Line Set with 1/4" and 1/2" Line Ends - 35 feet

Refrigerant line set (pair) for mini split systems, liquid line size 1/4 inch O.D. flared ends, suction line size 1/2 inch O.D. flared ends, length 35 feet, insulation thickness of 1/2 inch. For use with air conditioning and refrigeration systems, includes both the liquid line and the suction line.

Features:

  • One pair, heavy duty refrigerant lines
  • Flared line ends
More Information
42,000 BTU Mitsubishi M-Series Multi Zone Mini Split Heat Pump Condenser - R454B - MXZ-5D42NL
SKUMXZ-5D42NL
Weight152.000000
ManufacturerMitsubishi
ReplacesMXZ-5C42NA4-U1
Cooling BTU43000
Heating BTU53600
Decibel Level (dBA)59
RefrigerantR454B
SEER219.3
Compressor TypeTwin Rotary
Liquid Valve Size1/4" (5)
Suction Valve Size3/8" (4); 1/2" (1)
Electrical208/230V 1 Phase 60 Hz
Max Breaker Size67
Min. Breaker Size39
BTU/Tonnage42,000 BTU/3.5 Ton
Zone CompatibilityMulti Zone
Height31.43"
Width37.45"
Depth13"
Warranty10 Years with Online Registration
Resources You will need Adobe® Acrobat® Reader to view PDF documents.
18,000 BTU Mitsubishi FX-Series Single or Multi Zone Wall Mounted Mini Split Air Handler - R454B
SKUMSZ-FX18NL
Weight29.000000
ManufacturerMitsubishi
ReplacesMSZ-FS18NA-U1
HSPF211.1
Decibel Level (dBA)25-47
RefrigerantR454B
Mini Split TypeWall Mounted
Zone CompatibilityMulti Zone
Height12-11/16"
Width36-7/16"
Depth9-3/16"
Warranty10 Years with Online Registration
Resources You will need Adobe® Acrobat® Reader to view PDF documents.
Safety InformationPROPOSITION 65 WARNING
Mitsubishi M-Series - 3 Ports - Branch Box
SKUPAC-LMA30BC
Weight15.000000
ManufacturerMitsubishi
ReplacesPAC-MKA32BC & PAC-MKA33BC
RefrigerantR454B
Height6-3/4"
Width17-3/4"
Depth11-1/16"
Warranty10 Years with Online Registration
Safety InformationPROPOSITION 65 WARNING
Refrigerant Line Set with 1/4" and 1/2" Line Ends - 15 feet
SKU201814
Weight15.000000
ManufacturerOnline Supply
Length15'
Height1/2"
Width1/2"
Safety InformationPROPOSITION 65 WARNING
Refrigerant Line Set with 1/4" and 1/2" Line Ends - 30 feet
SKU216741
Weight30.000000
ManufacturerOnline Supply
Length30'
Height1/2"
Width1/2"
Safety InformationPROPOSITION 65 WARNING
Refrigerant Line Set with 1/4" and 1/2" Line Ends - 50 feet
SKU366402
Weight45.000000
ManufacturerOnline Supply
Length50'
Height1/2"
Width1/2"
Safety InformationPROPOSITION 65 WARNING
Refrigerant Line Set with 1/4" and 1/2" Line Ends - 25 feet
SKU366400
Weight25.000000
ManufacturerOnline Supply
Length25'
Height1/2"
Width1/2"
Safety InformationPROPOSITION 65 WARNING
Refrigerant Line Set with 1/4" and 1/2" Line Ends - 35 feet
SKU366401
Weight35.000000
ManufacturerOnline Supply
Length15'
Height1/2"
Width1/2"
Safety InformationPROPOSITION 65 WARNING
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Why Choose Mitsubishi Mini Splits?
Why Choose Mitsubishi Mini Splits?

Mitsubishi mini split air conditioners and heat pumps provide exceptional comfort, energy efficiency, and ultra-quiet performance in any climate. Engineered for reliability and precision, these systems offer year-round heating and cooling while reducing energy costs and enhancing indoor air quality.