Description
GROCO 1-1/2" Bronze Combo Thru-Hull Fitting | Boat Supply Store
Secure your vessel's through-hull penetrations with this robust C83600 bronze fitting designed for longevity and critical system integrity. It features a versatile 1-1/2" NPSM/NPT combination thread, allowing seamless integration with various plumbing configurations, and is UL Listed 647B for assured marine-grade performance. This fitting is essential for bilge pump discharge lines or raw water intakes on vessels operating in challenging saltwater environments, ensuring leak-free operation.
Key Features
- Versatile NPSM / NPT combination thread for broad plumbing compatibility
- Durable C83600 Bronze construction for superior corrosion resistance
- Certified UL Listed 647B for marine safety and reliability
- Complete Includes nut for immediate installation (-W model)
- Available in a wide range of sizes from 1/2" to 5"
- Long-lasting Marine-grade material prevents galvanic corrosion
- Trusted GROCO quality for critical marine applications
- Easy Integration into existing or new plumbing systems
Specifications
| Product Specifications | |
|---|---|
| Thread Size | 1-1/2" NPS NPT Combo |
| Material | C83600 Bronze |
| Listing | UL Listed 647B |
| Includes | Nut |
| Model Number | TH-1500-W |
Who This Is For
Boat owners, marine mechanics, and boat builders requiring a dependable and adaptable bronze thru-hull fitting for plumbing systems. This fitting is ideal for installations demanding both NPSM and NPT thread compatibility for robust marine connections.
How It Compares
| Feature | GROCO 1-1/2" Bronze Combo Thru-Hull Fitting | Competitor |
|---|---|---|
| Thread Type | NPSM / NPT Combo | NPT, NPT |
| Material | C83600 Bronze | Bronze, Bronze |
| UL Listed | Yes (647B) | No, No |
| Includes Nut | Yes (-W model) | Yes, Yes |
Common Concerns Answered
Are there any alternatives if bronze is too expensive?
While C83600 bronze offers superior corrosion resistance and longevity, less expensive alternatives in materials like plastic or chrome-plated brass exist, though they typically compromise on durability in harsh marine environments. The GROCO TH-1500-W's price reflects its premium construction and UL listing for critical safety.
Is this fitting difficult to install?
Installation is rated a 3 out of 5, requiring basic plumbing knowledge and tools. Proper hull preparation, accurate hole drilling, and ensuring a flush fit are critical to prevent leaks. Specialized sealants are recommended for long-term watertight integrity.
Why choose a combo thread fitting?
The NPSM/NPT combination thread provides significant installation flexibility, allowing you to connect to either a straight NPSM fitting or a tapered NPT fitting without needing adapters, simplifying plumbing runs and reducing potential leak points.
Frequently Asked Questions
What is the thread type of the GROCO TH-1500-W thru-hull fitting?
The GROCO TH-1500-W features a unique NPSM/NPT combination thread, accommodating both straight and tapered pipe threads.
What material is the GROCO TH-1500-W thru-hull fitting made from?
This thru-hull fitting is constructed from robust C83600 bronze, known for its excellent corrosion resistance in marine applications.
What sizes are available for the GROCO thru-hull fittings?
The TH-1500 series thru-hull fittings, including the combo thread models, are available in sizes ranging from 1/2 inch to 5 inches.
Is the GROCO TH-1500-W thru-hull fitting UL Listed?
Yes, the GROCO TH-1500-W thru-hull fitting is UL Listed under standard 647B, ensuring it meets rigorous safety and performance requirements for marine use.
What is the difference between the -W and -L models of this GROCO thru-hull fitting?
The '-W' designation indicates that the fitting includes a matching nut for installation, while the '-L' model is sold without the nut, intended for situations where a nut may already be available or a different fastening method is used.
