Description
Attwood 1-1/2" Plastic Thru-Hull Fitting | Boat Supply Store
Prevent galvanic corrosion in your vessel's plumbing system with this Attwood thermoplastic thru-hull fitting, engineered for superior electrolysis resistance. Featuring a 1-1/2" I.D. hose size compatibility and a 3-1/2" stem length, it is specifically designed for installation on hulls up to 1-1/4" thick in above-waterline applications. This fitting is an essential component for bilge pump discharges or livewell intakes on center consoles operating in brackish environments.
Key Features
- Resists electrolysis due to durable thermoplastic construction
- Secure fit for 1-1/2" I.D. hose sizes
- Accommodates hulls up to 1-1/4" thick
- Extended reach with a 3-1/2" stem length
- Generous flange provides a 3" diameter mounting surface
- Optimized for installation hose sizes ranging from 1-7/8" to 2"
- Reliable performance in above waterline applications
- Corrosion prevention from polypropylene material
Specifications
| Product Specifications | |
|---|---|
| I.D. hose size | 1-1/2" |
| stem length | 3-1/2" |
| max hull thickness | 1-1/4" |
| flange diameter | 3" |
| material | Polypropylene |
| application | Above waterline use only |
| installation hose compatibility | 1-7/8" to 2" |
Who This Is For
Boat owners and marine technicians requiring a robust 1-1/2" thru-hull fitting for above waterline plumbing or ventilation systems. This fitting is suitable for installations on vessels where hull thickness does not exceed 1-1/4".
How It Compares
| Feature | Attwood 1-1/2" Plastic Thru-Hull Fitting | Perko Plastic Thru |
|---|---|---|
| Hose Size | 1-1/2" I.D. | 1-1/2" |
| Material | Polypropylene | Nylon |
| Max Hull Thickness | 1-1/4" | 1-1/4" |
| Flange Diameter | 3" | — |
| Installation Hose Size | 1-7/8" to 2" | Typically less capable |
Common Concerns Answered
Can this thru-hull fitting be installed below the waterline?
No, this Attwood thru-hull fitting is specifically designed and rated for above waterline installations only due to its material composition and design limitations.
What concerns are there regarding installation hose clamps?
Due to the specified installation hose size compatibility of 1-7/8" to 2", users may need to source specific hose clamps that will securely fit this range to ensure a watertight seal.
Will this fitting cause galvanic corrosion?
No, the polypropylene construction of this Attwood thru-hull fitting actively prevents electrolysis, a critical benefit for marine hardware exposed to saltwater.
Frequently Asked Questions
What is the maximum hull thickness this fitting can accommodate?
This Attwood thru-hull fitting can accommodate a maximum hull thickness of 1-1/4".
What is the recommended hose size for this fitting?
The fitting is compatible with installation hose sizes ranging from 1-7/8" to 2", and has an I.D. hose size of 1-1/2".
What material is this thru-hull fitting made of?
This thru-hull fitting is constructed from durable polypropylene, which offers excellent resistance to electrolysis.
What is the stem length of this thru-hull fitting?
The stem length of this Attwood plastic thru-hull fitting is 3-1/2 inches.
Does this product comply with California Proposition 65?
This product is subject to California Proposition 65. For more information, please visit P65Warnings.ca.gov.
