Groco 63 mm thru-hull

GROCO 63 mm Bronze Thru-Hull Fitting | Unmatched Marine Durability

Secure your vessel’s integrity with the GROCO 63 mm Thru-Hull, a pinnacle of marine plumbing engineering designed for discerning boat owners. As a critical component for any below-the-waterline application, this fitting provides the ultimate in safety, reliability, and long-term performance. Crafted by GROCO, a brand synonymous with uncompromising quality in the marine industry, this thru-hull is the definitive choice for new installations or for upgrading existing plumbing systems. Ensure peace of mind on every voyage, knowing your boat is equipped with a foundation of strength and superior protection against the harsh marine environment. It is an essential piece of hardware for intake or discharge lines connected to engines, generators, air conditioners, and sanitation systems.

Key Benefits:

* Exceptional Durability and Longevity: Engineered to withstand the relentless corrosive effects of saltwater, this thru-hull guarantees years of dependable service. Its robust, heavy-duty build resists degradation and ensures a watertight seal, preventing catastrophic failures and costly repairs.
* Enhanced Safety Below the Waterline: Featuring an integral bonding connector, this fitting can be easily integrated into your vessel´s bonding system. This vital feature provides cathodic protection against galvanic corrosion, significantly extending the life of the fitting and surrounding underwater metals.
* Optimized System Performance: The full-flow design ensures unrestricted water passage, maximizing the efficiency of your pumps and onboard systems. This means your engine receives adequate cooling, and your discharge systems operate at their full potential without bottlenecks.
* Secure and Professional Installation: Designed with a substantial flange for a large bedding surface and a supplied nut for secure fastening, this thru-hull provides a solid, stable installation. Its standard pipe threads ensure broad compatibility with a wide range of seacocks and valves.

Main Features:

* Premium, heavy-duty cast construction for maximum strength
* Full-flow design for unimpeded water intake or discharge
* Includes an integral bonding connector for corrosion protection systems
* Classic mushroom head design for external water deflection
* Standard National Pipe Straight Mechanical (NPSM) threads for compatibility with marine valves
* Supplied with a matching mounting nut for a complete installation package
* Substantial flange for a wide, secure bedding surface against the hull

Technical Specifications:

* Product Type: Thru-hulls
* Category: Boats and equipment
* Subcategory: Plumbing
* Hose Connection Diameter: 63 mm (2-1/2 inches)
* Thread Specification: 2-1/2" NPSM
* Maximum Hull Thickness: 70 mm (2-3/4 inches)
* Required Installation Hole Saw Size: 89 mm (3-1/2 inches)
* Flange (Head) Diameter: 114 mm (4-1/2 inches)

Invest in the gold standard of marine plumbing. The GROCO 63 mm Thru-Hull fitting is more than just a part; it´s a long-term investment in the safety, performance, and integrity of your vessel. Upgrade your boat´s hardware today and sail with the confidence that comes from using the best