Description
GROCO 2" SS Thru-Hull Fitting | Boat Supply Store
Ensure robust and reliable water intake or discharge with this GROCO #316 stainless steel thru-hull fitting, engineered to withstand harsh marine environments. Featuring a 2-inch NPS thread and a secure hose barb connection, it is UL Listed 647B for assured safety and performance in demanding applications like bilge pump discharge or raw water cooling systems on offshore fishing vessels. The premium stainless steel construction provides exceptional resistance to galvanic corrosion and saltwater degradation, guaranteeing longevity in both fresh and saltwater operation.
Key Features
- Superior Corrosion Resistance: Constructed from premium #316 stainless steel for maximum longevity in marine environments.
- Reliable Sealing: NPS thread ensures a secure and leak-free connection when properly installed with appropriate sealant.
- Assured Quality: UL Listed 647B certification verifies adherence to strict safety and performance standards.
- Durable Construction: Built to withstand the rigors of continuous use in demanding saltwater or freshwater conditions.
- Secure Hose Connection: Integrated hose barb provides a positive grip for 2-inch marine-grade hose.
- Industry Standard Thread: NPS thread allows for straightforward integration with compatible plumbing components.
- Longevity Guarantee: The inherent properties of #316 stainless steel resist pitting and crevice corrosion.
- Professional Grade: Engineered for both professional marine installations and experienced DIY boaters.
Specifications
| Product Specifications | |
|---|---|
| Brand | GROCO |
| SKU | CWR75229 |
| MPN | HTH-2000-S |
| Product Name | Stainless Steel Hose Barb Thru-Hull Fitting - 2" |
| Material | #316 Stainless Steel |
| Thread Type | NPS |
| Hose Barb Size | 2 inch |
| UL Listing | UL Listed 647B |
Who This Is For
Ideal for marine professionals and DIY boat owners who demand superior durability and corrosion resistance for 2-inch hose connections. This fitting is engineered for reliable performance in both saltwater and freshwater applications, ensuring a secure and long-lasting marine plumbing solution.
How It Compares
| Feature | GROCO 2" SS Thru-Hull Fitting | Competitor |
|---|---|---|
| Material | 316 Stainless Steel | Bronze |
| Thread Type | NPS | NPT |
| Hose Barb Size | 2 inch | 2 inch |
| UL Listed | Yes (647B) | No |
| Material | 316 Stainless Steel | 304 Stainless Steel |
| Thread Type | NPS | NPSM |
| Hose Barb Size | 2 inch | 2 inch |
| UL Listed | Yes (647B) | No |
Common Concerns Answered
Is this thru-hull fitting durable enough for constant submersion?
Absolutely. Constructed from premium #316 stainless steel, this GROCO fitting is engineered for exceptional corrosion resistance, ensuring longevity and reliable performance even in continuous saltwater exposure, far exceeding the lifespan of less resistant materials.
How does the NPS thread compare to other thread types for marine fittings?
NPS (National Pipe Straight) threads are designed for mechanical joints requiring seals such as gaskets or O-rings, offering a straightforward and secure connection when paired with compatible fittings. This differs from tapered threads like NPT, which rely on thread deformation for sealing.
Are there specific installation considerations for this thru-hull?
Proper installation is critical for long-term performance. It requires basic plumbing knowledge, the use of appropriate marine-grade sealants to ensure a watertight seal, and potentially a hull thickness gauge to confirm compatibility with hull materials and proper fastener length.
Frequently Asked Questions
What is the thread type of the GROCO HTH-2000-S thru-hull fitting?
The GROCO HTH-2000-S thru-hull fitting features an NPS (National Pipe Straight) thread type.
What material is the GROCO HTH-2000-S thru-hull fitting made from?
The GROCO HTH-2000-S thru-hull fitting is constructed from premium #316 stainless steel.
What is the hose barb size for the GROCO HTH-2000-S thru-hull fitting?
The hose barb size for the GROCO HTH-2000-S thru-hull fitting is 2 inches.
Is the GROCO HTH-2000-S thru-hull fitting UL listed?
Yes, the GROCO HTH-2000-S thru-hull fitting is UL Listed 647B.
What is the NPS thread size of the GROCO HTH-2000-S thru-hull fitting?
The NPS thread size of the GROCO HTH-2000-S thru-hull fitting is 2 inches, designed to mate with appropriate 2" NPS female fittings.
