Description
GROCO 1-1/2" Extra Long Thru-Hull Fitting | Boat Supply Store
For vessels with thicker hull constructions or applications demanding extended reach, this GROCO thru-hull fitting provides a robust solution. Its C83600 bronze composition ensures superior resistance to galvanic corrosion and saltwater degradation, critical for longevity in marine environments. Featuring a versatile 1-1/2" nominal size and a combination NPSM/NPT thread, it facilitates secure connections for a range of marine plumbing accessories.
Key Features
- Extra Long reach for thicker hulls or complex installations
- Corrosion Resistant C83600 Bronze construction
- Versatile NPSM / NPT combination thread
- Durable 1-1/2" nominal size
- Complete Kit includes matching bronze nut
- High Performance C83600 Bronze alloy
- Reliable Marine Grade component
- Secure Hull Penetration for plumbing
Specifications
| Product Specifications | |
|---|---|
| Nominal Size | 1-1/2" |
| Material | C83600 Bronze |
| Thread Type | NPSM / NPT Combination |
| Length | Extra Long |
| Includes Nut | Yes |
Who This Is For
Marine boat owners, builders, and repair technicians requiring a durable, corrosion-resistant, and extra-long bronze thru-hull fitting for plumbing applications. This fitting is particularly suited for thicker hull materials or where extended reach is a critical installation requirement.
How It Compares
| Feature | GROCO 1-1/2" Extra Long Thru-Hull Fitting | Perko 049900596 |
|---|---|---|
| Material | C83600 Bronze | Bronze |
| Size | 1-1/2" | 1-1/2" |
| Thread Type | NPSM / NPT Combination | NPT |
| Length | Extra Long | Typically less capable |
| Includes Nut | Yes | Yes |
Common Concerns Answered
Will this fitting be difficult to find a replacement for if needed in the future?
While direct replacements for older installations can sometimes be challenging, GROCO is a widely recognized brand in marine hardware, and standardized sizes like 1-1/2" with common thread types increase the likelihood of sourcing compatible parts.
Is the price justified compared to other materials?
The premium price reflects the superior durability, corrosion resistance, and longevity of C83600 bronze in harsh marine environments, which outweighs the initial cost savings of less resilient materials over the lifespan of the fitting.
What if I have a standard hull thickness and don't need an extra-long fitting?
If your hull thickness is standard, an extra-long fitting may be unnecessarily long, potentially complicating installation and aesthetics. Consider a standard-length thru-hull for such applications to ensure a precise fit.
Frequently Asked Questions
What is the thread type of the GROCO THXL-1500-W thru-hull fitting?
The GROCO THXL-1500-W features a versatile NPSM (National Pipe Straight Mechanical) and NPT (National Pipe Taper) combination thread.
What material is the GROCO THXL-1500-W thru-hull fitting made from?
This fitting is constructed from C83600 Bronze, an alloy renowned for its excellent corrosion resistance in marine applications.
What is the size of the GROCO THXL-1500-W thru-hull fitting?
The nominal size of the GROCO THXL-1500-W is 1-1/2 inches.
Is the nut included with the GROCO THXL-1500-W thru-hull fitting?
Yes, the GROCO THXL-1500-W comes complete with a matching bronze nut.
What is the purpose of an extra-long thru-hull fitting?
An extra-long thru-hull fitting is designed for installations where the hull material is exceptionally thick, such as on older wooden boats or vessels with composite construction, or when additional length is required to pass through multiple bulkheads or complex framing.
