Key Features & Benefits

• ✔ 6 zones from a single 55K condenser for whole-home or multi-room comfort.
• ✔ Compatible with 6K / 9K / 12K / 18K ceiling cassette air handlers (flush-mount, low-profile).
• ✔ Up to 22 SEER2, HSPF2-4 10.6, HSPF2-5 8.5 for excellent efficiency.
• ✔ Quick-Connect® pre-charged line sets: no vacuum pump, no charging required (sold separately).
• ✔ DIYPro® cable included — eliminates electrical conduit for easier installs.
• ✔ Smart control with app, Alexa, and Google Assistant; Energy usage stats & scheduling.
• ✔ Gold Fin® anti-corrosion coating on the condenser for long life.
• ✔ Follow Me® remote tracks temp around you for pinpoint comfort.
• ✔ Energy Star, AHRI, ETL/UL listed for verified performance.
• ✔ Strong warranty: 5-yr parts, 7-yr compressor, and extended Limited Lifetime with MRCOOL® Care enrollment.

💡 Pro Tip: MRCOOL DIY ceiling cassettes include the WMK-19 Smart HVAC Wi-Fi Controller (plug-and-play). Connect it to your air handler, pair to Wi-Fi, and control the system via the MRCOOL or SmartHVAC apps — with built-in Alexa and Google voice support.

Technical Specifications

• Brand / Series: MRCOOL — DIY 5th Gen Multi-Zone Mini-Splits
• Model (Condenser): DIY-MULTI6-55HP230D-O
• Cooling / Heating Capacity: 47,000 BTU / 55,000 BTU
• Zones: Up to 6
• Efficiency: SEER2 22; EER2 12; HSPF2-4 10.6; HSPF2-5 8.5
• Refrigerant: R-454B (151.68 oz)
• Electrical: 208/230V, 1-Phase, 60 Hz; Min. Circuit Ampacity 43A; Max Fuse/Breaker 45A
• Sound Rating: 64 dBA
• Line Set Compatibility: 25 ft standard; max combined length 221.4 ft
• Line Sizes: Liquid 1/4"; Suction: (3/8" × 4) and (1/2" × 2)
• Inverter Compressor: DC Rotary
• Operating Range: Heat to −13°F; Cool to 122°F
• Certifications: Energy Star, AHRI, ETL/UL, Intertek Listed 5031495
• Smart Control: Wi-Fi, App, Alexa, Google Assistant (WMK-19)
• Color: White
• Condenser Dimensions (WxHxD): 37.48" × 52.48" × 16.34" (Net)
• Condenser Weight: 245.81 lbs (Net)
• Shipping Dimensions (WxHxD): 43.11" × 58.27" × 19.49" (Gross)
• Shipping Weight: 267.46 lbs (Gross)
• Warranty: 5-yr parts / 7-yr compressor; Extended Limited Lifetime with MRCOOL® Care (registration required)
• SKU / UPC / GTIN: DIY-MULTI6-55HP230D-O / 840255587488 / 840255587488

Note: Quick-Connect® pre-charged line sets and ceiling cassette air handlers are sold separately to build your ideal 6-zone package.

Why buy from MRCOOL DIY Direct? Genuine MRCOOL equipment, expert support, and nationwide delivery — perfect for DIYers who want pro-level results without pro-level labor costs.