Description
Attwood 1" Stainless Thru-Hull Barbed Fitting | Boat Supply Store
Address the critical need for robust marine hull penetrations with this Attwood Standard Straight Barbed Thru-Hull fitting. Designed for applications exclusively above the waterline, this component ensures superior longevity and structural integrity. It features a 1" inner diameter for hose compatibility and a substantial 2-1/4" flange diameter, requiring a 1-1/2" hole saw for precise installation into hulls up to 1-3/4" thick. This fitting provides a reliable solution for engine cooling systems or raw water intakes on saltwater vessels like center consoles navigating the Gulf Coast.
Key Features
- Experience lifetime corrosion resistance with certified Enhanced 316 Stainless Steel alloy.
- Achieve a premium aesthetic and enhanced protection through mirror polishing and passivation.
- Benefit from unparalleled durability with thick steel sidewalls engineered to withstand stress.
- Enjoy simplified installation with a new silicone gasket ensuring a trouble-free seal.
- Facilitate easy tightening via integrated wrench flats or an end notch.
- Ensure secure hose connections with ample space on the barbed tail ends for multiple clamps.
- Accommodate thick hull installations thanks to the standard full-length thread design.
- Maintain superior hull integrity with a fitting designed for robust, long-term performance.
Specifications
| Product Specifications | |
|---|---|
| Brand | Attwood Marine |
| Inner Diameter | 1" |
| Flange Diameter | 2-1/4" |
| Thread Outer Diameter | 1-3/8" |
| Thread Length | 2-1/4" |
| Barb Length | 1-1/4" |
| Total Length | 3-7/8" |
| Hole Saw Size | 1-1/2" |
| Maximum Hull Thickness | 1-3/4" |
| Installation Location | Above the waterline only |
| Material | Enhanced 316 Stainless Steel |
Who This Is For
Boat owners and marine professionals requiring exceptionally durable and aesthetically refined thru-hull fittings for above-waterline installations. Prioritizes long-term value, resistance to marine environments, and straightforward integration into existing or new hull constructions.
How It Compares
| Feature | Attwood 1" Stainless Thru-Hull Barbed Fitting | Competitor |
|---|---|---|
| Material | Enhanced 316 Stainless Steel | Chrome-plated brass, Bronze |
| Corrosion Resistance | Lifetime | Good (prone to pitting), Very Good |
| Finish | Mirror Polish & Passivated | Chrome plated, Cast |
| Hose Size (Inner Diameter) | 1" | — |
| Total Length | 3-7/8" | 3-1/2", 3-1/2" |
| Max Hull Thickness | 1-3/4" | Up to 1-1/2", Up to 1-1/2" |
| Install Hole Saw Size | 1-1/2" | 1-1/2", 1-1/2" |
Common Concerns Answered
Is this fitting suitable for use below the waterline?
No, this Attwood thru-hull fitting is specifically designed and rated for installation exclusively above the waterline to ensure optimal performance and safety.
How does the price compare to other options?
While the initial investment may exceed that of plastic or lower-grade metal alternatives, the premium Enhanced 316 Stainless Steel construction and lifetime corrosion resistance offer superior long-term value and durability, justifying the higher price point for critical marine applications.
What potential issues could arise during installation?
While the design incorporates features like a silicone gasket and wrench flats to simplify installation, careful attention must be paid to avoid over-tightening, which could potentially damage the hull; however, the robust design of this fitting helps mitigate such risks.
Frequently Asked Questions
What is the maximum hull thickness this Attwood thru-hull fitting can accommodate?
This Attwood thru-hull fitting is suitable for hulls up to 1-3/4" thick.
Can this Attwood thru-hull fitting be installed below the waterline?
No, this fitting is designed for above the waterline installation only. Using it below the waterline would compromise its integrity and marine safety standards.
What specific type of stainless steel is used in this Attwood thru-hull fitting?
This Attwood thru-hull fitting is constructed from certified Enhanced 316 Stainless Steel alloy, known for its superior strength and exceptional corrosion resistance in marine environments.
What is the inner diameter of the hose that this fitting accommodates?
The inner diameter of the hose that this fitting accommodates is 1 inch.
What size hole saw is recommended for installing this thru-hull fitting?
A 1-1/2" hole saw is required for the proper installation of this Attwood thru-hull fitting.
