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Line Set Diameter
  1. 1/4"
  2. 1/4" x 3/8"
  3. 3/8"
Refrigerant
  1. R410A
  2. R32
  3. R454B
Manufacturer
  1. Daikin
  2. Gree
  3. LG
  4. Mitsubishi

Branch Boxes

Shop refrigerant distribution components used with compatible multi-zone systems. Compare supported system series, port count, connection sizes, capacity limits, dimensions and required accessories before selecting a product for the installation.

12 Items

Set Descending Direction
  2. Gree Branch Box Y Connector
    SAVE $19.41
    Gree Branch Box Y Connector
    Model: LN01300110
    Was $116.49 Your Low Price Special Price $97.08
    Add to Compare
  3. LG Distribution Box 3 Ports For KUMXB481A/KUMXB541A/KUMXB601A
    SAVE $152.00
    LG Distribution Box 4 Ports For 4 Zone Systems
    Model: PMBD3640ZR
    Was $760.00 Your Low Price Special Price $608.00
    Add to Compare
  4. LG Distribution Box 4 Ports For 4 Zone System - 1 Integral 36k Unit Adapter - PMBD3641ZR
    SAVE $159.00
    LG Distribution Box 4 Ports For 4 Zone System - 1 Integral 36k Unit Adapter
    Model: PMBD3641ZR
    Was $793.00 Your Low Price Special Price $634.00
    Add to Compare
  6. LG Distribution Box 2 Ports For Dual Zone Systems
    SAVE $161.00
    LG Distribution Box 2 Ports For Dual Zone Systems
    Model: PMBD3620ZR
    Was $803.00 Your Low Price Special Price $642.00
    Add to Compare
  8. Mitsubishi M-Series - 3 Ports - Branch Box - PAC-LMA30BC
    SAVE $165.56
    Mitsubishi M-Series - 3 Ports - Branch Box
    Model: PAC-LMA30BC
    Was $827.81 Your Low Price Special Price $662.25
    Add to Compare
  9. LG Distribution Box 3 Ports For KUMXB481A/KUMXB541A/KUMXB601A
    SAVE $174.00
    LG Distribution Box 3 Ports For 3 Zone Systems
    Model: PMBD3630ZR
    Was $870.00 Your Low Price Special Price $696.00
    Add to Compare
  10. Mitsubishi M-Series - 5 Ports - Branch Box - PAC-LMA50BC
    SAVE $227.06
    Mitsubishi M-Series - 5 Ports - Branch Box
    Model: PAC-LMA50BC
    Was $1,135.31 Your Low Price Special Price $908.25
    Add to Compare
  11. LG Y Pipe and Branch Boxes for 5 Zone Mini Split
    SAVE $0.00
    LG Y Pipe and Branch Boxes for 5 Zone Mini Split
    Model: ARBLN03321 / PMBD3620ZR / PMBD3630ZR
    $1,358.00
    Add to Compare
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Choosing Mini-Split Branch Boxes

Mini-split accessories are often model-specific. Use the full model numbers for the indoor and outdoor equipment plus the manufacturer documentation to confirm sizing and compatibility.

What to Verify

  • Supported system series, port count, connection sizes, capacity limits, dimensions and required accessories
  • Exact manufacturer and equipment model numbers
  • Required quantities and included components
  • Installation location and available dimensions
  • Applicable electrical or refrigerant requirements
  • Manufacturer installation instructions and local codes

Do not assume that similar-looking components are interchangeable across brands, series or capacities. Confirm the product specifications and the equipment documentation before ordering.

Related: Ductless mini-split systems · Indoor equipment · Outdoor equipment

Our HVAC experts can help you compare the listed specifications; final compatibility must follow the equipment manufacturer documentation.