Description
Attwood 90 P-Trap Fuel Vent | Boat Supply Store
Address critical fuel tank integrity with the Attwood 90 P-Trap Fuel Tank Vent, engineered to prevent saltwater intrusion and rain washdown ingress. This vent incorporates a proprietary 90-degree P-trap configuration, eliminating the necessity for a separate anti-siphon loop which reduces installation complexity and potential failure points. It is specifically designed for 5/8" I.D. hose, requiring a 3/4" installation hole and accommodating hull thicknesses up to 9/16". Built with a splash-resistant, corrosion-resistant composite body, it meets stringent ABYC standards and is compatible with ethanol-blended fuels, ensuring reliable performance in various marine environments, from coastal fishing in the Gulf of Mexico to offshore cruising.
Key Features
- Prevents water entry with a unique 90-degree P-trap design
- Eliminates the need for a separate anti-siphon loop
- Compatible with 5/8" I.D. fuel hose
- Corrosion-resistant composite body for longevity
- Meets rigorous ABYC safety standards
- Splash-resistant construction to protect fuel system
- Ethanol fuel compatible for modern gasoline blends
- Simplifies installation by integrating anti-siphon function
Specifications
| Product Specifications | |
|---|---|
| Product Name | 90 P-Trap Fuel Tank Vent |
| Brand | Attwood Marine |
| Color | Black with Stainless Steel Trim Cover |
| Hose Size | 5/8" I.D. |
| Install Hole Size | 3/4" |
| Max Hull Thickness | 9/16" |
| Body Material | Composite |
| Trim Material | Stainless Steel |
| Water Prevention Feature | 90-degree P-trap |
| Anti-Siphon Loop Requirement | Eliminated |
| Fuel Compatibility | Ethanol Blended Fuels |
| Standards | Meets ABYC |
Who This Is For
Boat owners and marine mechanics seeking a robust and compliant fuel tank venting solution that proactively prevents water intrusion. Ideal for those looking to simplify their fuel system by eliminating the requirement for an external anti-siphon loop.
How It Compares
| Feature | Attwood 90 P-Trap Fuel Vent | Implied |
|---|---|---|
| Hose Size | 5/8" I.D. | 5/8" I.D. |
| Body Material | Composite | Bronze, Nylon |
| Trim Material | Stainless Steel | Chrome Plated Bronze, Stainless Steel |
| P-Trap Design for Water Prevention | Yes | No |
| Eliminates Anti-Siphon Loop | Yes | No |
| Meets ABYC Standard | Yes | Typically less capable |
| Ethanol Fuel Compatibility | Yes | Typically less capable |
Common Concerns Answered
Will this vent prevent water from entering my fuel tank?
Yes, the Attwood 90 P-Trap Fuel Tank Vent is specifically engineered with a 90-degree internal trap that effectively prevents water ingress from waves, spray, and washdowns while still allowing necessary tank ventilation. This design is a key feature for maintaining fuel integrity.
Is the stainless steel trim durable enough for marine use?
While some users have reported the stainless steel trim can scratch during installation, the material itself is marine-grade stainless steel chosen for its corrosion resistance. Careful installation practices will mitigate cosmetic concerns, ensuring the vent's functional durability.
Where can I find detailed installation instructions?
Comprehensive installation guides and manuals for Attwood products, including this fuel tank vent, are available on the Attwood Marine website. Visit attwoodmarine.com/support/manuals/ for access to the latest documentation.
Frequently Asked Questions
Does the Attwood 90 P-Trap Fuel Tank Vent prevent water from entering the fuel tank?
Yes, the 90-degree P-trap design is specifically engineered to prevent water ingress while allowing the fuel tank to vent.
What size hose is compatible with the Attwood 90 P-Trap Fuel Tank Vent?
This vent is designed for use with 5/8" I.D. (Inner Diameter) hose.
What is the maximum hull thickness for installation?
The vent can accommodate a maximum hull thickness of 9/16".
Is this vent compatible with ethanol blended fuels?
Yes, the Attwood 90 P-Trap Fuel Tank Vent is compatible with ethanol blended fuels.
Does this vent eliminate the need for an anti-siphon loop?
Yes, the integrated 90-degree P-trap design eliminates the requirement for a separate anti-siphon loop, simplifying installation.
