Boat Air Intakes and Fittings are essential components for both safety and ventilation and fluid management on board.
🌬️ Boat Air Intakes
The air vents are used for:
- Ventilate the bilge , engine room and cabins
- Reduce condensation, mold, and gas buildup (important for safety)
- Promote natural or forced air circulation
Main types
-
Mushroom air vents (fixed or adjustable)
- Dorade box air intakes (with spray hood, widely used on sailboats)
- Ventilation grilles (plastic, stainless steel or brass)
- Fans and extractors (electric, often 12V)
- Fuel tank vent caps
Common materials
- 316 stainless steel (highly resistant to marine corrosion)
- Chromed brass (for a more classic look)
- UV-resistant ABS plastic (economical and durable)
🔧 Boat Fittings
Fittings connect pipes, tanks, water systems, fuel and drains.
Main types
- Thru-hull fittings (for seacocks or water intakes below the waterline)
- Hose fittings (water, fuel, bilge)
- Marine ball valves (in marine bronze, stainless steel or composite materials)
- Quick connectors for pumps and tanks
-
Water/fuel tank vents (often combined with air intakes)
- Fuel or fresh water loading connections
Better materials
- Marine bronze (the best for resistance to salt and wear)
- Stainless steel (especially in visible or highly stressed areas)
- Nylon or reinforced polymers (light and resistant)
⚓ Important notes
- All through-hull fittings below the waterline must have closable valves (safety requirement)
- Engine air intakes must be adequate in case of petrol engines (to prevent accumulation of vapours)