Sea-Dog Line Tank Vents/Surge Protector
Sea-Dog Line 3520301 90-Degree Gas Tank Vent Machined Brass Chrome Plated 9/16"
Sea-Dog Line Tank Vents & Surge Protectors: Reliable Fuel System Safety for Boaters
A properly vented fuel system isn't just a matter of convenience — it's a fundamental safety requirement on any gasoline-powered vessel. Sea-Dog Line, one of the most enduring names in marine hardware, brings its century-plus of industry knowledge to its line of tank vents and surge protectors, offering boaters the material variety, installation flexibility, and regulatory compliance needed to keep fuel systems safe and functional on the water.
A Heritage of Marine Hardware Expertise
Since 1903, Sea-Dog Line has been providing quality-built, affordable hardware for boats for over 100 years. The company, now known as the Sea-Dog Corporation, is based in Everett, Washington, and continues its rapid expansion offering shipbuilding companies and retailers an ever-growing assortment of high-quality marine gear, hardware, and accessories. That deep institutional knowledge is reflected in their approach to fuel system components, where material selection and design details matter enormously for long-term reliability.
Material Choices to Suit Every Installation
Sea-Dog Line offers a full line of marine hardware and accessories in stainless steel, brass, bronze, chrome plate, galvanized, and injection molded plastic. This broad material palette carries directly into their tank vent lineup. Boaters can choose from stainless steel gas tank vents — ideal for high-corrosion environments and polished-finish builds — or chrome zinc gas tank vents that deliver classic appearance at a more accessible price point. Both straight and 90-degree configurations are available, making it straightforward to accommodate the hull geometry and hose routing on virtually any vessel.
Designed for Safety and Standards Compliance
Tank vents do more than simply allow air to escape from a fuel tank — they are critical safety devices. A well-designed vent prevents vacuum lock during fuel consumption, keeps water out of the tank under normal sea conditions and washdowns, and — when paired with a surge protector — helps prevent dangerous fuel spills during refueling. With more than a century of boating-industry experience, Sea-Dog designs durable gear for recreational and commercial boaters, and the company also notes having an ABYC-certified marine technician on staff to support technical and installation questions. That commitment to standards means their tank vent products are engineered with awareness of USCG and ABYC safety requirements that govern gasoline fuel systems.
Many Sea-Dog products use materials such as marine-grade stainless steel, brass, or UV-resistant polymers to support long-term durability in marine conditions. For tank vents exposed to salt air, fuel vapor, and direct weathering, this material discipline translates to fittings that resist corrosion and maintain a secure seal over many seasons of use.
Straight, 90-Degree, and Thru-Hull Options
Sea-Dog Line's tank vent selection covers the configurations most commonly needed for both inboard and portable fuel tank installations. Straight vents work well for simple, direct hose-to-hull runs, while 90-degree elbow designs provide cleaner routing when hull angles or limited access make a straight fitting impractical. Sea-Dog stocks more than 8 million parts in their 75,000 square foot warehouse in Washington state , which means consistent availability across the full range of vent styles and sizes — an important consideration when you're mid-refit and need a specific fitting quickly.
Why Choose Sea-Dog Line for Tank Vents?
- Trusted heritage: Over a century of marine hardware manufacturing experience
- Material variety: Stainless steel and chrome zinc options for different budgets and environments
- Configuration flexibility: Straight and 90-degree styles to fit any installation layout
- Standards awareness: Designed with USCG and ABYC fuel system requirements in mind
- ABYC-certified support: In-house technical expertise available for installation questions
Whether you're replacing a worn fitting on an aging cruiser or speccing out a new fuel system build, Sea-Dog Line's tank vents and surge protectors offer a dependable, well-supported solution from a brand with a proven record in the marine industry.