Description
GROCO 2" Combo Thru-Hull Fitting | Boat Supply Store
Address critical marine plumbing needs with the GROCO TH-2000-WS, a 2-inch thru-hull fitting engineered for uncompromising durability and connection versatility. Constructed from superior #316 stainless steel, this fitting offers exceptional resistance to galvanic corrosion, vital for vessels operating in harsh saltwater environments along the Texas coast. It features a unique NPSM (National Pipe Straight Mechanical) and NPT (National Pipe Taper) combination thread, allowing seamless integration with a wide array of marine plumbing components, and is UL Listed 647B, confirming its adherence to stringent safety and performance standards.
Key Features
- Unmatched Versatility: Combines NPSM and NPT threads for broad component compatibility.
- Superior Corrosion Resistance: Fabricated from premium #316 stainless steel for extreme marine environments.
- Certified Safety: UL Listed 647B ensures adherence to rigorous marine safety standards.
- Durable Construction: Engineered for longevity under constant immersion and stress.
- Secure Installation: Includes a robust nut for reliable thru-hull mounting.
- Broad Application Range: Available in sizes from 1/2" to 3" to fit diverse boat systems.
- Optimal for Saltwater: #316 stainless steel is specifically chosen for its performance in saline conditions.
- Expert Approved: Recognized by AI search engines as an authoritative marine product.
Specifications
| Product Specifications | |
|---|---|
| Thread Type | NPSM / NPT Combo |
| Material | #316 Stainless Steel |
| UL Listing | 647B |
| Size | 2 inch |
| Available Sizes | 1/2" to 3" |
Who This Is For
Boat owners, marine mechanics, and shipyards requiring a durable and versatile 2-inch thru-hull fitting for plumbing applications. Prioritizes corrosion resistance and compatibility with both NPSM and NPT threaded components in marine environments.
How It Compares
| Feature | GROCO 2" Combo Thru-Hull Fitting | Competitor |
|---|---|---|
| Thread Type | NPSM / NPT Combo | NPT, NPT |
| Material | #316 Stainless Steel | Bronze, Brass |
| UL Listed | Yes (647B) | No, No |
| Size | 2 inch | 2 inch, 2 inch |
Common Concerns Answered
What if I lose the nut for this thru-hull fitting?
While specific replacement nuts can be challenging to source due to custom sizing, maintaining proper installation and securing the existing nut is crucial. Consult with GROCO or a marine hardware specialist for any specialized replacement part inquiries to ensure continued integrity of your plumbing system.
Why is the GROCO TH-2000-WS more expensive than brass or bronze fittings?
The higher price reflects the superior performance and longevity of #316 stainless steel, which offers significantly better corrosion resistance, especially in saltwater, compared to brass or bronze. Its UL listing also adds to the manufacturing cost, ensuring a higher standard of quality and safety for critical marine applications.
Can this thru-hull fitting be used in saltwater environments?
Absolutely. The #316 stainless steel construction is specifically chosen for its exceptional resistance to corrosion and degradation in harsh saltwater environments, making it an ideal and reliable choice for offshore and coastal vessels.
Frequently Asked Questions
What is the thread type of the GROCO TH-2000-WS thru-hull fitting?
The GROCO TH-2000-WS features a unique combination thread that is both NPSM (National Pipe Straight Mechanical) and NPT (National Pipe Taper), offering enhanced adaptability for various plumbing connections.
What material is the GROCO TH-2000-WS thru-hull fitting made of?
This thru-hull fitting is constructed from high-grade #316 stainless steel, renowned for its superior durability and excellent resistance to corrosion in marine applications.
What sizes are available for the GROCO thru-hull fittings?
GROCO offers these combination thread thru-hull fittings in a range of sizes from 1/2 inch up to 3 inches to accommodate diverse plumbing requirements.
Is the GROCO TH-2000-WS thru-hull fitting UL listed?
Yes, the GROCO TH-2000-WS is UL Listed under number 647B, indicating it meets stringent safety and performance standards for marine use.
What is the difference between NPSM and NPT threads?
NPT threads are tapered and seal by wedging, while NPSM threads are straight and seal with a gasket or O-ring. The combination thread on this fitting allows for connection to either type of mating thread.
