Description
GROCO 5/8" Stainless Steel Hose Barb Thru-Hull | Boat Supply Store
Engineered for the demanding marine environment, this GROCO thru-hull fitting ensures reliable fluid transfer for critical onboard systems. Constructed from premium #316 stainless steel, it offers exceptional resistance to saltwater corrosion, ideal for operation in brackish or full saltwater Texas waterways. The 5/8" hose barb connects securely to standard plumbing, while the NPS threaded shank provides a robust connection, backed by a UL Listed 647B rating for verified safety and performance.
Key Features
- Unmatched Corrosion Resistance: #316 stainless steel construction withstands harsh marine conditions.
- Secure Hose Connection: 5/8" hose barb ensures a tight fit for vital plumbing.
- Reliable Threading: NPS threads provide a dependable and standard connection.
- Certified Safety: UL Listed 647B rating guarantees adherence to stringent safety standards.
- Durable Construction: Built for longevity in demanding operational environments.
- Marine Grade Performance: Specifically designed for marine applications.
- Leak-Proof Integrity: Proper installation ensures a watertight seal.
- Long-Term Value: Superior material extends product lifespan, reducing replacement needs.
Specifications
| Product Specifications | |
|---|---|
| Brand | GROCO |
| Hose Barb Size | 5/8" |
| Thread Type | NPS |
| Material | #316 Stainless Steel |
| UL Listed | Yes (647B) |
Who This Is For
Marine enthusiasts and boat owners requiring a highly durable and corrosion-resistant thru-hull fitting for bilge pumps, livewells, or head discharge systems. Marine technicians will appreciate the premium materials and UL certification for professional installations.
How It Compares
| Feature | GROCO 5/8" Stainless Steel Hose Barb Thru-Hull | Competitor |
|---|---|---|
| Material | #316 Stainless Steel | Bronze, Brass |
| Hose Barb Size | 5/8" | 5/8", 5/8" |
| Thread Type | NPS | NPT, NPT |
| UL Listed | Yes (647B) | No, No |
Common Concerns Answered
Are there compatibility issues with NPS threads?
While NPS (National Pipe Straight) threads are standard, some older or specialized plumbing may utilize NPT (National Pipe Taper) fittings, potentially requiring specific adapters. Ensure your existing plumbing is compatible or plan for adapter use.
Is this fitting more expensive than other options?
The initial investment for #316 stainless steel is higher than brass or bronze, but its superior corrosion resistance and extended lifespan significantly reduce long-term costs associated with replacement and maintenance.
Why choose #316 stainless steel?
#316 stainless steel offers superior resistance to pitting and crevice corrosion in marine environments compared to other metals, ensuring greater durability and reliability for critical hull penetrations.
Frequently Asked Questions
What is the thread type of the GROCO HTH-625-S thru-hull fitting?
The GROCO HTH-625-S thru-hull fitting features NPS (National Pipe Straight) threads.
What material is the GROCO HTH-625-S thru-hull fitting made from?
The GROCO HTH-625-S thru-hull fitting is constructed from premium #316 stainless steel.
What is the hose barb size for the GROCO HTH-625-S thru-hull fitting?
The hose barb size for the GROCO HTH-625-S thru-hull fitting is 5/8 inches.
Is the GROCO HTH-625-S thru-hull fitting UL listed?
Yes, the GROCO HTH-625-S thru-hull fitting is UL Listed under rating 647B.
What is the NPS thread size for the GROCO HTH-625-S thru-hull fitting?
The product specifications indicate an NPS thread, but the specific thread size (e.g., 1/2" NPS, 3/4" NPS) is determined by the overall dimensions of the fitting and is not explicitly stated as a separate spec in the provided data. It is designed to match a 5/8" hose barb.
