Description
GROCO 1-1/4" Bronze Scoop Thru-Hull w/Nut | Boat Supply Store
Optimize water intake or discharge with the GROCO STH-1250-W, a 1-1/4" bronze thru-hull engineered for superior flow dynamics. Its integrated scoop design significantly increases volumetric flow rates, crucial for high-demand systems on vessels operating in challenging environments like the Gulf Coast flats. Constructed from C83600 bronze, this fitting guarantees exceptional corrosion resistance and longevity, featuring a versatile NPSM/NPT combination thread for broad compatibility with marine plumbing configurations.
Key Features
- Increased Flow: Scoop design maximizes water volume for peak system performance.
- Durable Material: C83600 Bronze construction ensures superior corrosion resistance in saltwater.
- Versatile Threading: NPSM / NPT combination thread offers broad connectivity options.
- Robust Construction: Built to withstand demanding marine applications.
- Complete Installation: Nut is included for immediate mounting.
- Standard Sizing: 1-1/4" thread size for common marine hoses.
- Optimized for Performance: Engineered for high-flow intake or discharge.
- Trusted Brand: GROCO quality for reliable marine hardware.
Specifications
| Product Specifications | |
|---|---|
| Thread Size | 1-1/4" |
| Material | C83600 Bronze |
| Thread Type | NPSM / NPT Combination |
| Flow Design | Scoop for increased flow |
| Includes Nut | Yes |
Who This Is For
Boat owners and marine technicians requiring a high-flow, durable thru-hull fitting for intake or discharge applications. Ideal for those seeking improved performance and longevity in demanding marine environments.
How It Compares
| Feature | GROCO 1-1/4" Bronze Scoop Thru-Hull w/Nut | Competitor |
|---|---|---|
| Thread Size | 1-1/4" | 1-1/4" |
| Material | C83600 Bronze | Bronze |
| Thread Type | NPSM / NPT Combination | NPT |
| Flow Design | Scoop for increased flow | Typically less capable |
| Includes Nut | Yes | Yes |
Common Concerns Answered
Is this thru-hull fitting more expensive than basic models?
The GROCO STH-1250-W is priced higher than standard, non-scoop, or single-thread type models. This premium is due to its enhanced flow design and the use of C83600 bronze, offering superior performance and longevity in critical marine plumbing applications.
What is required for a watertight installation?
Proper installation is critical to ensure a watertight seal. This involves precise hole preparation, the use of appropriate sealants, and secure tightening of the included nut. Consulting a marine plumbing professional or experienced DIYer is recommended for optimal results.
What is the primary benefit of the scoop design?
The scoop design on the GROCO STH-1250-W is engineered to significantly increase water intake or discharge flow rates compared to conventional flat-faced thru-hulls. This is vital for systems requiring high volume, such as livewell pumps or engine cooling systems.
Frequently Asked Questions
What type of threads does the GROCO STH-1250-W Thru-Hull feature?
The GROCO STH-1250-W Thru-Hull features a combination of NPSM (National Pipe Straight Mechanical) and NPT (National Pipe Taper) threads, providing versatile connection options.
What material is the GROCO STH-1250-W Thru-Hull constructed from?
The GROCO STH-1250-W Thru-Hull is constructed from C83600 Bronze, a high-quality alloy known for its exceptional resistance to corrosion in marine environments.
What is the functional purpose of the scoop design on this thru-hull fitting?
The scoop design on the GROCO STH-1250-W is specifically engineered to enhance water flow into the fitting by 'scooping' water as the vessel moves, thereby increasing volumetric flow rates for intake or discharge.
What is the compatible hose barb size for the GROCO STH-1250-W Thru-Hull?
This thru-hull fitting has a 1-1/4" thread size, which is typically used with 1-1/4" ID (Inner Diameter) marine hose. Compatibility should always be confirmed with the specific hose manufacturer's specifications.
Does the GROCO STH-1250-W Thru-Hull include a nut?
Yes, the GROCO STH-1250-W Thru-Hull comes complete with a nut for installation.
