Flagship FM12 – 12,000 BTU Marine Air Conditioner 115V Cool Only
With 12,000 BTU cool-only capacity, Flagship FM12 uses 115V power for dedicated air conditioning across marine interior spaces.
- 12,000 BTU capacity handles cabin cooling.
- 115V input suits compatible vessel systems.
- Cool-only operation excludes heating functions.
- FM12 identifies the listed configuration.
- Dedicated output serves onboard interiors.
$2,146.50
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Warm-weather cruising does not always require onboard heating, making a cool-only system practical for many vessels. The Flagship FM12 provides 12,000 BTU/h, or 3.51 kW, of cooling from a 115V single-phase electrical supply. This self-contained marine air conditioner is designed for commercial-grade cruiser applications and staterooms up to 500 cubic feet according to the supplied guidance.
Who This Unit Is Not Ideal For
The FM12 is not suitable for owners who need cabin heating or boats designed around 230V power. A 12,000 BTU/h system may also be unsuitable for areas substantially larger than the stated 500-cubic-foot guidance or cabins with unusually high heat gain. Final sizing should reflect actual vessel conditions.
Warranty and Product Summary
The Flagship FM12 includes a five-year limited factory warranty. Its cool-only 115V configuration, 12,000 BTU/h capacity, 400 CFM airflow, and marine stainless steel and cupronickel construction suit compatible cooling-focused installations.
Product Specifications
Product Specifications
| Brand | Flagship Marine |
|---|---|
| Exact Model Code / SKU | FM12 (Cool Only) |
| 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 | 0 (Cool Only Model - No Reverse Cycle) |
| Reverse Cycle Heating Function | No |
| Electrical Voltage | 115V |
| Alternating Current Frequency | 60 Hz |
| Electrical Phase | Single Phase |
| Full Load Amps - FLA Cooling | 9.8 A |
| 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 | 58 lbs (26.3 kg) |
| Chassis & Condenser Material | Stainless Steel Frame & Cupronickel Condenser Coil |
| Standard Factory Warranty | 5 Years (Limited) |
| Application & Sizing Guidance | Commercial-grade heavy-duty cruiser air conditioner designed for harsh marine environments, optimal for staterooms up to 500 cu.ft with a minimum generator capacity of 3.5 kW. |
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