
Flagship FM12H – 12,000 BTU Marine Air Conditioner 230V Cool & Heat
The Flagship FM12H supports 12,000 BTU cool-and-heat operation through 230V power for marine cabin climate control requirements.
- 12,000 BTU capacity suits medium cabins.
- 230V input matches listed power systems.
- Cool and heat enable dual-mode operation.
- FM12H identifies the listed configuration.
- Marine conditioner manages cabin temperature.
When a 230V yacht needs both cabin cooling and seasonal heating, the Flagship FM12H provides 12,000 BTU/h in each operating mode. This self-contained marine air conditioner delivers 3.51 kW of cooling and uses reverse-cycle heating. The supplied application guidance identifies the unit for living spaces up to 500 cubic feet and compatible European shore-power or internal 230V generator systems.
Who This Unit Is Not Ideal For
This model is not intended for boats limited to 115V power unless a suitable 230V system is installed. It may also be unnecessary for buyers who only need cooling. Spaces larger than the stated 500-cubic-foot guidance require additional sizing review based on insulation, glazing, climate, and heat load.
Warranty and Product Summary
The Flagship FM12H 230V includes a five-year limited factory warranty. Its reverse-cycle operation, 12,000 BTU/h cooling and heating, 400 CFM airflow, and self-contained architecture suit compatible 230V yacht living spaces.
Product Specifications
Product Specifications
| Brand | Flagship Marine |
|---|---|
| Exact Model Code / SKU | FM12H (230V 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 |
| Reverse Cycle Heating Function | Yes |
| Electrical Voltage | 230V |
| Alternating Current Frequency | 50/60 Hz |
| Electrical Phase | Single Phase |
| Full Load Amps - FLA Cooling | 4.9 A |
| Full Load Amps - FLA Heating | 6.3 A |
| Locked Rotor Amps - LRA | 22 A |
| Max Circuit Breaker Size | 15 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 | Configured for European shore power profiles or internal 230V gen-sets; services living spaces up to 500 cu.ft, min generator 3.5 kW. |
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Free standard delivery to the United States, Canada and Australia.
Product Support
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