Description
GROCO 1-1/2" Extra Long Thru-Hull Fitting | Boat Supply Store
When standard thru-hull lengths prove insufficient for thicker hull materials or complex plumbing runs, this extra-long fitting provides a robust solution. Constructed from marine-grade #316 stainless steel, it offers exceptional resistance to saltwater corrosion, a critical factor for longevity in coastal or offshore environments. The versatile NPSM/NPT combination thread allows for adaptable connections to various plumbing components, ensuring a secure and reliable installation on your vessel.
Key Features
- Superior Corrosion Resistance with #316 stainless steel
- Adaptable Fitment via NPSM / NPT combination thread
- Extended Reach for thicker hull applications
- Durable Construction for demanding marine use
- Complete Installation Kit with included nut
- Reliable Plumbing Seal with precise machining
- Built to Last in harsh saltwater environments
- Expertly Engineered by GROCO for marine professionals
Specifications
| Product Specifications | |
|---|---|
| diameter | 1-1/2" |
| material | #316 Stainless Steel |
| length | Extra Long |
| thread_type | NPSM / NPT combination |
| includes_nut | Yes |
Who This Is For
Marine boat owners, builders, and repair technicians requiring a durable, corrosion-resistant, and extra-long thru-hull fitting for plumbing applications. This is particularly beneficial for installations on thicker hull materials or where extended reach is a critical necessity.
How It Compares
| Feature | GROCO 1-1/2" Extra Long Thru-Hull Fitting | Competitor |
|---|---|---|
| Material | 316 Stainless Steel | Bronze, 304 Stainless Steel |
| Thread Type | NPSM / NPT Combination | NPT, NPT |
| Length | Extra Long | Standard, Standard |
| Includes Nut | Yes | Yes, Yes |
Common Concerns Answered
How can I find the correct thru-hull fitting for older boats?
This GROCO extra-long fitting addresses the common challenge of sourcing exact replacements for older vessels, offering a durable and compatible option when standard sizes or lengths are no longer readily available.
What are the risks of corrosion with marine fittings?
Corrosion issues are mitigated by selecting premium materials; the #316 stainless steel construction of this GROCO fitting provides superior resistance compared to lower-grade stainless steel or bronze, safeguarding against premature failure in harsh marine environments.
Why is this fitting more expensive than standard options?
The higher initial cost reflects the use of premium #316 stainless steel and the specialized extra-long design, which are essential for enhanced durability, superior corrosion resistance, and specific installation requirements on thicker hulls, ensuring long-term value.
Frequently Asked Questions
What is the thread type of the GROCO THXL-1500-WS thru-hull fitting?
The GROCO THXL-1500-WS features a versatile NPSM / NPT combination thread, allowing for flexible connection options.
What material is the GROCO THXL-1500-WS thru-hull fitting made from?
This thru-hull fitting is constructed from high-quality #316 Stainless Steel, known for its exceptional marine-grade corrosion resistance.
What is the size of the GROCO THXL-1500-WS thru-hull fitting?
The GROCO THXL-1500-WS has a 1-1/2" diameter.
Is the nut included with the GROCO THXL-1500-WS thru-hull fitting?
Yes, the nut is included with the GROCO THXL-1500-WS thru-hull fitting for a complete installation.
What is the purpose of an extra-long thru-hull fitting?
An extra-long thru-hull fitting is designed for installation on vessels with thicker hull materials, such as composite sandwich construction or heavily reinforced sections, or when additional length is required to pass through bulkheads or accommodate specific plumbing configurations.
