2 photos · sourced from matching MRCOOL 5th Gen product listings
Shop/Contractor install
Olympus 27k multi-zone condenser — 4 zone
MULTI4-27HP230C-O
Olympus 4-zone outdoor condenser. Pick a wall, cassette, or ducted indoor for each zone on this page. Professional HVAC contractor required.
- Power
- 230V
- SEER2
- 25
- Refrigerant
- R-454B
- Max fuse / breaker
- 25A
- MCA
- 23A
- Warranty
- 7-year compressor / 5-year parts
- Line set
- Copper line set — vacuum required
Heat: Factory heat to about −13°F. Not Hyper Heat.
Must be installed by a professional HVAC contractor. Olympus E-Star singles are ENERGY STAR®. For Kalispell primary heat, start with DIY Hyper Heat — we can hang that kit.
$1,932
MAP. Drop-shipped from MRCOOL. Montana has no statewide sales tax. Free shipping on orders $1,000+.
Build this system
Pick a head for each zone
This 27k outdoor takes 2–4 indoor units. Total indoor BTU has to fit the condenser — we’ll flag it if the mix is too big or too small.
How many indoor units?
Zone 1
Line set for this head
25 ft copper. Cover kits: 3 × 12 ft.
Zone 2
Line set for this head
25 ft copper. Cover kits: 3 × 12 ft.
Copper line set per indoor — vacuum required. Each head can be a different length.
- Olympus 27k multi-zone condenser — 4 zoneMULTI4-27HP230C-O$1,932
- Olympus 12k wall headO-12-HP-WMAH-230C-O$401
- Olympus 18k wall headO-18-HP-WMAH-230C-O$526
- 25-ft copper line set 1/4×3/8 — Olympus 9k/12kMC25-1438$126
- 25-ft copper line set 1/4×1/2 — Olympus 18kMC25-1412$137
- 30A fused disconnectMCDP30$42
- Condenser padMCPAD$64
- LineGuard® 12-ft cover kit — white × 6MLG450$534
$3,762
Equipment only · free shipping · labor extra if a contractor installs it
Replacement outdoor only? · Pad
Build the indoor mix below. Total indoor BTU has to fit this outdoor — we’ll stop a mix that’s too big.
Brochures and manuals
Factory PDFs from MRCOOL. Open in a new tab.
More manuals (3)
What’s included
- Olympus 4-zone outdoor condenser
Not included
- Indoor heads (wall, cassette, or ducted — order separately)
- Copper line sets (one per indoor)
- Electrical disconnect, pad, covers, or labor