Flagship FM12H – 12,000 BTU Marine Air Conditioner 115V Cool & Heat
Flagship FM12H delivers 12,000 BTU cooling and heating from 115V power for dual-mode climate control in marine interiors.
- 12,000 BTU output supports medium spaces.
- 115V supply guides installation planning.
- Heating function extends seasonal usability.
- Dual-mode operation shares one unit.
- FM12H identifies the product configuration.
$2,082.60
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Voltage and heating configuration are important when choosing air conditioning for a 115V boat. The Flagship FM12H 115V variant provides 12,000 BTU/h of cooling and heating, with a listed cooling capacity of 3.51 kW. Its supplied application guidance identifies the system for heavy-duty luxury or commercial cruiser layouts and mid-ship staterooms up to 500 cubic feet.
Who This Unit Is Not Ideal For
This version is not intended for boats with a 230V-only electrical system. It may also be unsuitable for spaces outside the stated 500-cubic-foot application guidance or buyers who need cooling only. The supplied data lists built-in electric or reverse-cycle heating options, so the intended configuration should be confirmed before installation.
Warranty and Product Summary
The Flagship FM12H 115V includes a five-year limited factory warranty. It combines 115V operation, dual-mode capacity, 400 CFM airflow, and self-contained marine construction for compatible stateroom applications.
Product Specifications
Product Specifications
| Brand | Flagship Marine |
|---|---|
| Exact Model Code / SKU | FM12H (115V Variant) |
| Country of Origin | USA |
| System Architecture | Self-Contained Marine A/C System |
| Cooling Capacity - BTU/h | 12,000 BTU/h |
| Cooling Capacity - kW/Watts | 3.51 kW |
| Heating Capacity - BTU/h | 12,000 BTU/h (Built-in Electric or Reverse Cycle Option) |
| Reverse Cycle Heating Function | Yes |
| Electrical Voltage | 115V |
| Alternating Current Frequency | 60 Hz |
| Electrical Phase | Single Phase |
| Full Load Amps - FLA Cooling | 9.8 A |
| Full Load Amps - FLA Heating | 12.5 A (Electric Heat Peak Load) |
| Locked Rotor Amps - LRA | 44 A |
| Max Circuit Breaker Size | 25 A |
| Refrigerant Type | R-410A |
| Compressor Type | Hermetic Rotary |
| Seawater Water Flow Rate | 4.16 GPM (250 GPH) |
| Seawater Inlet Pipe Size | 5/8 inch (16 mm) |
| Seawater Outlet Pipe Size | 5/8 inch (16 mm) |
| Evaporator Airflow Capacity | 400 CFM |
| Duct Discharge Connection Diameter | 6 inches (152 mm) |
| Condensate Drain Connection Size | 1/2 inch (12.7 mm) |
| Physical Dimensions - Unit | 13.0 x 14.5 x 12.0 inches (330 x 368 x 305 mm) |
| Net Weight | 62 lbs (28.1 kg) |
| Chassis & Condenser Material | Stainless Steel Frame & Cupronickel Condenser Coil |
| Standard Factory Warranty | 5 Years (Limited) |
| Application & Sizing Guidance | Heavy-duty luxury or commercial cruiser layout optimal for mid-ship staterooms up to 500 cu.ft, min generator capacity 3.5 kW. |
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