The Chrome Plated Brass Fuel Tank Vent – Boat Gas Tank Air Breather is designed to provide reliable ventilation for marine fuel tank systems by allowing air to flow into and out of the fuel tank during operation. Proper tank ventilation is an essential part of any marine fuel system because it helps balance internal pressure as fuel is consumed or expands due to temperature changes. This fuel tank vent is suitable for boats equipped with gasoline fuel tanks and is commonly installed on recreational boats, fishing boats, workboats, RIBs, yachts, and other marine vessels that require a dedicated fuel tank breather. Its compact design, chrome-plated brass construction, and standard threaded mounting make it a practical replacement or new installation component for many marine fuel systems.

Manufactured from chrome-plated brass, this marine fuel tank vent combines the strength of brass with a polished chrome finish that provides an attractive appearance while helping protect the fitting during normal marine use. The unit features a 40 mm top flange, creating a neat finished appearance once installed on the boat surface. Installation is completed using a G 3/4″ BSP mounting thread, a commonly used marine fitting size that allows the vent to be securely mounted through the hull or deck where fuel tank ventilation is required. The total overall length of 57 mm provides a compact profile while allowing sufficient connection depth for the hose fitting.

The integrated 16 mm hose connection is designed to fit a 16 mm inner diameter ventilation hose, allowing it to connect with compatible marine fuel tank vent lines. As fuel is drawn from the tank during engine operation, the vent allows outside air to enter the tank, helping maintain balanced pressure inside the fuel system. Likewise, when fuel expands because of changing temperatures, the vent provides a controlled path for air movement within the ventilation system. This continuous airflow helps maintain proper tank breathing as part of the overall fuel system design.

Its compact shape makes installation straightforward in many marine applications where space around the fuel tank or hull is limited. The smooth chrome-plated cap also gives the fitting a clean appearance that complements stainless steel fittings, deck hardware, and other marine accessories commonly found on modern boats. The brass body provides durable threaded engagement, while the hose barb creates a secure connection for compatible ventilation hose installations.

This boat gas tank air breather is suitable for both replacement projects and new boat construction where a properly vented marine fuel tank is required. Because the fitting follows a standard marine installation style using a BSP threaded connection, it can be incorporated into many marine fuel system layouts using compatible components. Boat builders, repair yards, marine service technicians, and vessel owners frequently replace aging or worn fuel tank vents as part of routine maintenance to ensure the ventilation system remains in good working condition.

Model MZMBTV-01 has been designed with practical dimensions that simplify installation while maintaining compatibility with standard marine ventilation hose sizes. The 40 mm flange diameter provides sufficient surface coverage after installation, while the 57 mm overall length offers adequate reach for secure mounting and hose attachment without occupying unnecessary space. These dimensions make it suitable for installation in various locations depending on the vessel’s fuel tank configuration and ventilation routing.

The chrome-plated brass finish also makes cleaning straightforward during routine boat maintenance. Like other exposed marine hardware, periodic inspection and cleaning can help maintain appearance and ensure the vent opening remains free from debris, salt deposits, or other contaminants that may affect airflow. Regular inspection of the connected vent hose is also recommended as part of normal fuel system maintenance.

Whether installed on a small recreational craft or a larger commercial vessel, this fuel tank breather vent performs the essential function of allowing controlled air movement within the fuel tank ventilation system. It serves as an important component in maintaining proper tank ventilation while providing a neat, professional installation appearance on the boat’s exterior. For boat owners looking for a dependable air vent for fuel tank applications with standard marine dimensions, the Chrome Plated Brass Fuel Tank Vent – Boat Gas Tank Air Breather offers a practical solution that combines durable materials, compact sizing, and straightforward installation.

Key Features:

• Chrome Plated Brass Fuel Tank Vent – Boat Gas Tank Air Breather is designed to provide controlled ventilation for marine fuel tanks during normal vessel operation.
• Manufactured from chrome-plated brass for durability and an attractive polished finish.
• 16 mm hose connection fits a 16 mm inner diameter ventilation hose.
• 40 mm top flange diameter provides a clean and professionally installed appearance.
• G 3/4″ BSP mounting thread supports standard marine threaded installation.
• 57 mm overall length offers a compact design suitable for many marine fuel system layouts.
• Helps maintain balanced air pressure inside the fuel tank as fuel is consumed or expands.
• Suitable for replacement or new installation in compatible marine fuel tank ventilation systems.
• Compact hose barb design provides secure hose attachment with compatible vent hose.
• Appropriate for recreational and commercial marine applications using compatible fuel tank systems.

Applications / Suitable For:

• Chrome Plated Brass Fuel Tank Vent – Boat Gas Tank Air Breather is suitable for ventilating marine gasoline fuel tanks on compatible vessels.
• Recreational boats.
• Fishing boats.
• Cabin cruisers.
• Inflatable boats (RIBs).
• Motorboats.
• Yachts.
• Workboats.
• Marine fuel tank ventilation systems using a 16 mm vent hose.
• Replacement of worn or damaged marine fuel tank vent fittings.
• New marine fuel system installations requiring a G 3/4″ BSP threaded fuel tank vent.

FAQs:

Q: What hose size does this fuel tank vent support?
A: It is designed for a 16 mm inner diameter ventilation hose.

Q: What is the mounting thread size?
A: The vent uses a G 3/4″ BSP threaded connection.

Q: What material is this fuel tank vent made from?
A: It is manufactured from chrome-plated brass.

Q: Where can this boat gas tank air breather be used?
A: It is suitable for compatible marine fuel tank ventilation systems on boats, yachts, fishing boats, workboats, and other marine vessels.