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Flagship FM18RLP – 18,000 BTU Marine Air Conditioner 115V Cool & Heat Low Profile
Flagship FM18RLP Heat/Cool LP – 18,000 BTU (115V) utilizes an efficient 4-cycle thermal exchange suite delivering 18,000 BTUs of cooling and integrated electric heat in a space-saving chassis. This 115V unit is engineered to fit into narrow voids while providing the brute thermal force necessary for large cabins, utilizing a high-output resistive heat strip to ensure a dry, smoke-free atmosphere regardless of external conditions.
- Thermal Output: 18,000 BTU Cooling with Electric Heat.
- Chassis Design: 12-inch height Low Profile stainless steel.
- Power Requirements: 115V AC / 60Hz Single Phase.
- Vessel Integration: Best for salons and primary cabins with height limits.
- Warranty Coverage: Flagship 5-year parts / 1-year labor.
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Description
Flagship FM18RLP 18,000 BTU – Integrated domestic marine climate unit
Flagship FM18RLP delivers peak performance for USA coastal waters as an integrated domestic marine climate unit. Optimized for 115V power grids, this low-profile model provides high-capacity reverse cycle heating and cooling for large staterooms and saloons. The space-saving design is ideal for retrofitting into modern hulls where vertical height is limited but high BTU output is required. Non-corrosive components and a reinforced baseplate ensure the unit survives the constant vibration of high-speed offshore transit.
Flagship FM18RLP architecture provides a reliable Flagship 115v 18k btu HVAC for existing vessel configurations. High-velocity blower assemblies are engineered to overcome static resistance and ensure even air distribution throughout the ship’s interior. Precision thermal expansion valves optimize refrigerant flow for maximum efficiency during both summer cooling and winter heating cycles. This unit represents the pinnacle of American-made marine engineering for domestic power applications.
Key Technical Specifications
- Flagship FM18RLP 115V electrical system.
- Integrated domestic marine climate unit.
- Titanium coils resist internal oxidation.
- Reliable 18,000 BTU cooling capacity.
- High efficiency reverse cycle heating.
- Horizontal space saving low profile.
- Flagship 115v 18k btu HVAC.
- Rigorous maritime factory safety testing.
Flagship FM18RLP 18,000 BTU (115V) Cool & Heat Specs
| Model Series | Low Profile Self-Contained Unit |
| Cooling Capacity | 18,000 BTU/h |
| Heating Capacity | Yes (Reverse Cycle) |
| Voltage / Frequency | 115V | 60Hz |
| Running Current (Avg) | 10.4A (@115V) |
| Startup Current (LRA) | 58A |
| Condenser Material | Cupronickel |
| Duct Size | 6" (152 mm) |
| Key Feature | Highest 115V Capacity for Low Clearance Berths |
Flagship FM18RLP 18,000 BTU Low Profile (115V Cool/Heat) Guide
Can the Flagship FM18RLP run on standard 115V power?
Yes, this version of the Flagship FM18RLP is specifically designed for 115V (60Hz) North American electrical systems, delivering 18,000 BTUs of cooling and heating. It is an ideal retrofit for yachts with limited headroom that only have 30A or 50A/115V shore power. Ensure your boat’s wiring can handle the higher amperage load (approx. 15-16 Amps) associated with a high-capacity 115V compressor.
What are the installation advantages of the FM18RLP 115V?
The "Low Profile" design allows the unit to be tucked away in areas where vertical height is a constraint, such as under a settee or a raised bunk. Despite its 18,000 BTU output, the horizontal configuration keeps the center of gravity low and simplifies ducting runs. This model is perfect for 35-45 foot boats looking for a powerful all-in-one climate control solution.
How do I maintain the FM18RLP 115V sea water system?
The FM18RLP 115V requires a sea water pump with a minimum flow rate of 400-500 GPH to ensure the 18,000 BTU system remains cool. Regularly inspect the sea strainer and flush the condenser with a descaling solution to remove marine growth. Maintaining clean water passages is vital for preventing high-pressure cutouts and ensuring the longevity of the cupronickel heat exchanger.
What size ducting does the 18,000 BTU Flagship unit need?
To maintain optimal airflow, use a 7-inch diameter insulated duct or multiple 5-inch branches for the FM18RLP. Proper ducting prevents backpressure on the high-static blower, which can cause the evaporator to freeze in humid environments. Ensure the supply air grilles are positioned to avoid "short-cycling," where cold air is pulled directly back into the return air intake.
What is the dry weight of the FM18RLP 115V?
The Flagship FM18RLP has a dry weight of approximately 85 lbs. It features a robust stainless steel base that acts as a structural frame and condensate pan. When mounting, use heavy-duty vibration isolators to prevent the high-capacity compressor from transmitting noise through the boat's hull or cabinetry.
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