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Mermaid M16 – Cool Only FMS A/C Unit 16,500 BTU’s 110V
With 16,500 BTU cool-only capacity, the Mermaid M16 FMS unit uses 110V power for dedicated cooling in marine cabins.
- 16,500 BTU output suits medium spaces.
- 110V input matches listed power systems.
- Cool-only operation excludes reverse-cycle heating.
- FMS designation identifies the configuration.
- Dedicated cooling manages cabin temperature.
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Description
Standard 110V shore power gets the same treatment as Mermaid’s other voltage options with the M16 Cool Only — 16,500 BTU of straightforward cooling for cruisers up to 40 feet or sailboats up to 45 feet, without the added complexity or cost of the reverse cycle heating mechanism.
Key Features of the Mermaid M16 Cool Only (110V)
- Simpler mechanical design than the reverse cycle version, with fewer long-term service points
- 304-18 gauge stainless steel construction, a heavier-duty spec than Mermaid’s compact M6/M9 units
- Soft start technology and variable speed blower reduce startup strain
- Mechanical freeze protection built into the control system
- Available in right, left, or top air discharge configurations
Mermaid M16 Technical Specifications (110V, Cool Only)
- Model: M16 (Cool Only)
- Cooling Capacity: 16,500 BTU
- Voltage: 110V
- Running Amperage: 12 A
- Cooling Capacity (Volume): 1,400 cubic feet
- Recommended Boat Size: up to 40′ cruiser or 45′ sailboat
- Unit Dimensions (L x W x H): 19.75″ x 13.5″ x 13.75″
- Net Weight: 60 lbs
- Ducting: minimum three discharges — one 8″x6″ grill within 6 feet of the unit, plus two 4″ round supply vents
- Warranty: 5 years against material defects and workmanship
Why Choose the Mermaid M16 Cool Only (110V)
This is the standard-voltage option for most domestic US boats, avoiding the added electrical complexity of stepping up to 220V or 230V for a cool-only system. At 12A running amperage, current draw is identical to the 220V and 230V Cool Only versions — voltage input is the differentiator, not electrical load.
Skipping reverse cycle heating means one less system to eventually service, a real advantage for boats used exclusively in warm-climate cruising. If heating needs come up later, that requires the Reverse Cycle version instead — there’s no field upgrade path on this cool-only unit.
What to Know Before Installing
- Pump is not included and must be sourced separately
- Plan for three discharge points: one 8″x6″ grill within 6 feet of the unit, plus two 4″ round vents
- Since this unit has no heating function, confirm it matches your climate needs before ordering
- All three air discharge positions (right, left, top) are available on this model
| Brand | Mermaid Marine Air |
| Exact Model Code / SKU | M16 (110V Cool Only FMS Variant) |
| Country of Origin | USA |
| System Architecture | Self-Contained Marine A/C System |
| Cooling Capacity - BTU/h | 16,500 BTU/h |
| Cooling Capacity - kW/Watts | 4.84 kW |
| Heating Capacity - BTU/h | 0 (Cool Only Model - No Heat Cycle) |
| Reverse Cycle Heating Function | No |
| Electrical Voltage | 110V |
| Alternating Current Frequency | 60 Hz |
| Electrical Phase | Single Phase |
| Full Load Amps - FLA Cooling | 11.8 A |
| Locked Rotor Amps - LRA | 54 A |
| Max Circuit Breaker Size | 25 A |
| Refrigerant Type | R-410A |
| Compressor Type | Hermetic Rotary |
| Seawater Water Flow Rate | 6.66 GPM (400 GPH) |
| Seawater Inlet Pipe Size | 5/8 inch (16 mm) |
| Seawater Outlet Pipe Size | 5/8 inch (16 mm) |
| Evaporator Airflow Capacity | 490 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 20.0 x 13.5 inches (330 x 508 x 343 mm) |
| Net Weight | 63 lbs (28.5 kg) |
| Chassis & Condenser Material | Stainless Steel Pan & Cupronickel Condenser Loop |
| Standard Factory Warranty | 5 Years |
| Application & Sizing Guidance | Stripped down, cool-only profile intended for low-profile tropical cruiser hulls where ambient climate stays warm year-round; manages up to 800 cu.ft spaces, min generator 3.5 kW. |
What's in the Box
- 1x Mermaid M16 16,500 BTU FMS Self-Contained Marine Air Conditioner Unit (110V - Cool Only)
- 1x Heavy-Duty Cupronickel Condenser Tube-in-Tube Heat Exchanger
- 1x High-Velocity Centrifugal Blower Assembly
- 1x Flat Marine Surface (FMS) Stainless Steel Mounting Pan Assembly
- 1x Mechanical/Digital Thermostat Interface Terminal Block
- 1x Removable and Washable Composite Air Filter
- 1x Operation Manual and Detailed Installation Guide
Mermaid M16 Cool Only 110V FAQ
What are the electrical requirements for M16?
Mermaid M16 operates on a standard 110V power source. This domestic single-phase configuration draws approximately 11.5 amps during active cooling cycles, permitting recreational boaters to plug straight into standard American shore power utility boxes or small portable backup generators without deploying expensive voltage-matching marine transformer modifications.
What airflow volume does this system deliver?
Mermaid M16 generates an airflow volume of 400 CFM. The integrated rotatable high-velocity centrifugal blower fan sweeps air evenly across wide mid-ship cabins, expediting dehumidification while the heavy-duty composite insulation assembly suppresses mechanical resonance vibrations from shaking lightweight structural fiberglass hull frames.
Which vessels fit the Mermaid M16?
Mermaid M16 is designed for wide mid-ship master staterooms on domestic express cruisers. It provides optimal localized cooling coverage for recreational hulls from thirty-five to forty-two feet, delivering reliable environmental management underneath main deck dinettes while keeping vital companionway walking clearances free of mechanical obstructions.
| System Attribute | Factory Value |
|---|---|
| Thermal Output | 16,500 BTU |
| Unit Width | 13.0 inches |
| Unit Height | 13.75 inches |
| Duct Fitting | 5 inches |
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