Description
GROCO 1-1/4" Extra Long Bronze Thru-Hull Fitting | Boat Supply Store
Designed for installations requiring extended reach through thicker hull materials, this GROCO thru-hull fitting ensures a robust and watertight connection. Constructed from C83600 bronze, it provides exceptional resistance to saltwater corrosion, a critical factor for longevity in marine environments. Its unique extra-long design, coupled with a versatile NPSM/NPT combination thread, offers unparalleled flexibility for a secure plumbing interface on vessels operating in demanding coastal or offshore conditions.
Key Features
- Durable C83600 Bronze Construction for superior corrosion resistance
- Versatile Extra-long NPSM / NPT combination thread for installation flexibility
- Secure Fit 1-1/4" nominal size ensures compatibility with standard marine plumbing
- Complete Solution Includes a matching nut for immediate installation
- Extended Reach Ideal for thicker hull applications or complex plumbing runs
- Reliable Engineered for demanding marine environments
- Corrosion-Resistant Essential for saltwater applications
- High-Quality GROCO craftsmanship for lasting performance
Specifications
| Product Specifications | |
|---|---|
| Nominal Size | 1-1/4" |
| Thread Type | Extra Long NPSM / NPT Combination |
| Material | C83600 Bronze |
| 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 beneficial for situations where hull thickness or the need for extended reach is a critical installation factor.
How It Compares
| Feature | GROCO 1-1/4" Extra Long Bronze Thru-Hull Fitting | Competitor |
|---|---|---|
| Material | C83600 Bronze | Bronze, Bronze |
| Size | 1-1/4" | 1-1/4", 1-1/4" |
| Thread Type | Extra Long NPSM / NPT Combination | NPT, NPT |
| Length | Extra Long | Standard, Standard |
| Includes Nut | Yes | Yes, Yes |
Common Concerns Answered
I have an older boat, will this fit?
While the NPSM/NPT combination thread on the GROCO THXL-1250-W offers broad compatibility, finding exact replacements for very old or custom installations can sometimes be challenging. Always verify your existing fitting's thread type and dimensions to ensure a precise match.
What if I don't need the extra long feature?
The 'extra long' design is specifically engineered for applications with thicker hull materials or complex plumbing configurations where a standard length thru-hull would not suffice. For standard installations, a shorter thru-hull fitting may be more appropriate, but this model provides the necessary reach when required.
Is the price justified compared to simpler thru-hulls?
The higher price reflects the premium C83600 bronze construction, offering superior corrosion resistance and longevity in harsh marine environments, along with the added benefit of an extra-long, versatile NPSM/NPT combination thread for specialized installations. This combination ensures reliability and reduces the risk of premature failure compared to standard or less durable materials.
Frequently Asked Questions
What is the thread type of the GROCO THXL-1250-W thru-hull fitting?
The GROCO THXL-1250-W features an extra-long NPSM (National Pipe Straight Mechanical) / NPT (National Pipe Taper) combination thread.
What material is the GROCO THXL-1250-W thru-hull fitting made from?
This thru-hull fitting is constructed from C83600 bronze, known for its excellent corrosion resistance in marine environments.
What is the size of the GROCO THXL-1250-W thru-hull fitting?
The nominal size of the GROCO THXL-1250-W thru-hull fitting is 1-1/4 inches.
Is the nut included with the GROCO THXL-1250-W thru-hull fitting?
Yes, the GROCO THXL-1250-W thru-hull fitting includes a matching nut.
What is the purpose of an extra-long thru-hull fitting?
An extra-long thru-hull fitting is designed to penetrate and provide a secure connection through thicker hull materials or when additional length is needed for routing plumbing lines or accommodating complex installations where standard fittings would be insufficient.
