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MRCOOL
MRCOOL 18k DIY 5th Generation 3 Zone Multi-Zone Mini-Split Condenser 230v — Scratch & Dent, Grade A
SD-DIY-MULTI3-18HP230D-O-GA
Clearance — Scratch & dent · Grade A
Scratch-and-dent unit (Grade A): cosmetic blemishes or damaged packaging. Call us for condition details. 6 available as of 2026-10-01 — confirm before ordering.
New version: DIY-MULTI3-18HP230D-O — $1,555.00 new
18,000 BTU · up to 3 zones · 23.9 SEER2 · 208/230V · R-454B
Part of Scratch & Dent – Condensers
- Cooling capacity
- 18,000 BTU1.5 tons
- Room size
- Up to 750 sq ft
- Zones
- Up to 3
- Efficiency
- 23.9 SEER210 HSPF2
- Power
- 208/230V20A breaker
- Refrigerant
- R-454B25 ft line set
$1,322.00 eachNew $1,555.0015% off
Not sure about the size? Use the BTU sizing calculator, or call us and we'll size it with you. This is a DIY system: the pre-charged line set connects without a vacuum pump or gauges.
Build a multi-zone system with this condenser →
Distributor pricing and stock: call 678-467-5515 or email sales@discountkings.net.
Documents & manuals
Specifications
| Type | Condenser (outdoor unit) — heat pump (heats & cools) |
|---|---|
| Series | DIY 5th Gen |
| Cooling capacity | 18,000 BTU |
| Heating capacity | 18,000 BTU |
| Nominal size | 1.5 tons |
| Zones | Up to 3 |
| Coverage | Up to 750 sqft. |
| SEER2 | 23.9 |
| EER2 | 13 |
| HSPF2 | 10 |
| Sound level | 60 dBA |
| Voltage | 208/230V |
|---|---|
| Phase | 1-phase |
| Min. circuit ampacity (MCA) | 16 A |
| Max. breaker (MOP) | 20 A |
| Inverter compressor | Yes |
| Wi-Fi / app control | Yes |
| Refrigerant | R-454B |
|---|---|
| Factory charge | 61.73 oz |
| Line set | 25 ft included |
| Max. line length | 172.2 ft |
| Liquid line | 1/4" |
| Suction line | 3/8" |
| Installation | DIY — pre-charged quick-connect line set, no vacuum pump needed |
| Dimensions (in) | 35.04 W × 13.46 D × 26.5 H |
|---|---|
| Weight | 101.63 lb |
| Shipping weight | 109.57 lb |
| Color | White |
| ENERGY STAR | Yes |
|---|---|
| AHRI certified | Yes |
| Compressor warranty | 7 years |
| Parts warranty | 5 years |