Description
Attwood P-Trap Fuel Vent | Boat Supply Store
Prevent costly water intrusion into your vessel's fuel tank with the Attwood 90 P-Trap Fuel Tank Vent. This essential component effectively uses its integrated P-trap design to significantly inhibit water ingress, a critical concern for any boat operating in wet environments. Engineered for 5/8" I.D. vent hoses and accommodating hulls up to 1" thick, it meets stringent ABYC standards and ensures compatibility with modern ethanol-blended fuels. Installation requires a 1-3/8" hole, providing a clean, flush-mount profile that eliminates the need for a separate anti-siphon loop.
Key Features
- Reliably prevents water entry into the fuel tank via P-trap design
- Allows unimpeded air venting for optimal fuel system function
- Eliminates the need for an anti-siphon loop, simplifying installation
- Sleek flush mount design for a clean deck appearance
- Compatible with standard 5/8-inch interior diameter vent hoses
- Accommodates a substantial hull thickness of up to 1 inch
- Meets rigorous ABYC standards for marine safety and performance
- Guaranteed compatibility with ethanol-blended fuels
Specifications
| Product Specifications | |
|---|---|
| Vent Type | 90 P-Trap |
| Mount Type | Flush Mount |
| Hose Size (I.D.) | 5/8 inch |
| Installation Hole Size | 1-3/8 inch |
| Maximum Hull Thickness | 1 inch |
| Body Material | Black Plastic |
| Vent Head Material | Stainless Steel |
| Standards Met | ABYC Standards |
| Fuel Compatibility | Ethanol Blended Fuels |
Who This Is For
Boat owners and marine technicians prioritizing robust fuel system integrity and a clean aesthetic. Ideal for new installations or upgrades where water intrusion prevention and simplified plumbing are paramount.
How It Compares
| Feature | Attwood P-Trap Fuel Vent | Competitor |
|---|---|---|
| Vent Design | 90-Degree P-Trap | 90 Degree |
| Hose Size (I.D.) | 5/8 inch | 5/8 inch |
| Mount Type | Flush Mount | Flush Mount |
| Material | Black Plastic Body, Stainless Steel Vent Head | Bronze |
| Water Prevention Feature | P-Trap Design | 90 Degree Angle |
| Ethanol Compatibility | Compatible | Not specified |
| Installation Hole Size | 1-3/8 inch | 1-1/4 inch |
| Max Hull Thickness | 1 inch | 1 inch |
Common Concerns Answered
Will this vent fit my existing fuel system?
This Attwood P-Trap vent is designed for 5/8" I.D. hoses and requires a 1-3/8" installation hole, accommodating hull thicknesses up to 1 inch. While it offers a flush-mount aesthetic, verify these dimensions against your current setup, particularly if replacing a non-standard vent.
I'm concerned about water getting into my fuel tank. How effective is this vent?
The integrated P-trap design of this Attwood vent is specifically engineered to significantly inhibit water ingress, a primary concern for fuel tank longevity and engine performance. Its ability to prevent water entry is a key benefit highlighted by customer sentiment.
Are there any common installation pitfalls to be aware of?
Proper installation is critical for achieving a watertight seal. Ensure the 1-3/8" installation hole is precisely cut and that sealant is applied correctly according to manufacturer guidelines to prevent leaks.
Frequently Asked Questions
Does this Attwood P-Trap vent prevent water from entering the fuel tank?
Yes, the primary function of the P-trap design in this Attwood vent is to reliably prevent water from entering the fuel tank by creating a water barrier.
What size hose is compatible with this Attwood fuel tank vent?
This Attwood fuel tank vent is designed for compatibility with 5/8-inch interior diameter (I.D.) hoses.
What is the required hole size for installing this flush mount vent?
You will need to drill a 1-3/8-inch diameter hole to install this flush mount Attwood fuel tank vent.
What is the maximum hull thickness this vent can accommodate?
This Attwood vent is engineered to accommodate a maximum hull thickness of 1 inch.
Is this Attwood vent compatible with ethanol blended fuels?
Yes, this Attwood P-Trap Fuel Tank Vent is fully compatible with ethanol blended fuels.
