Groco 32 mm thru-hull

GROCO 32 mm (1-1/4") Thru-Hull Fitting | Unmatched Marine Reliability

Ensure the absolute integrity of your vessel´s plumbing with the GROCO 32 mm (1-1/4 inch) Thru-Hull, the benchmark for safety and durability in marine applications. As one of the most critical components below the waterline, a thru-hull fitting is not a place to compromise. GROCO has built a legacy on manufacturing exceptionally robust and reliable marine hardware, and this thru-hull fitting is a prime example of that commitment. It is engineered to provide a secure, leak-proof connection for your boat´s plumbing systems, offering you unparalleled peace of mind whether you are moored at the dock or navigating challenging offshore conditions. This fitting is an essential investment in the safety and long-term value of your boat.

Key Benefits:

* Ultimate Security & Peace of Mind: Designed and constructed to withstand the relentless pressures of the harsh marine environment, this fitting provides a steadfast connection, significantly reducing the risk of catastrophic failure and water ingress. Trust in GROCO for a secure hull penetration.
* Optimized System Performance: Featuring a full-flow design, this thru-hull ensures unrestricted water movement. This is critical for maximizing the efficiency of your engine´s raw water cooling, air conditioning, bilge pumps, or drain systems, helping them perform to their full potential.
* Simplified & Secure Installation: Engineered for the practical needs of boat builders and owners, the fitting includes an innovative combination head. This allows for easy one-person installation using a standard screwdriver or a specialized deck plate key, ensuring a tight fit and proper sealant application without hassle.
* Superior Sealing Surface: The broad, heavy-duty flange provides a substantial surface area for bedding compound. This superior footprint ensures a durable, watertight seal against the hull and distributes stress evenly, preventing point-loading and potential damage to the hull structure over time.

Main Features:

This premium thru-hull fitting is designed as a core component for all marine plumbing systems. It features a bonding attachment point for proper system grounding and includes a heavy-duty nut to complete the installation. Its compatibility with GROCO seacocks and strainers allows for the creation of a seamless, fully integrated, and ABYC-compliant plumbing system. The precision-cut threads ensure a smooth and secure engagement with corresponding valves and fittings, creating a solid, dependable assembly from the start.

Technical Specifications:

* Product Type: Thru-hulls
* Brand: GROCO
* Hose Connection (ID): 32 mm / 1-1/4"
* Thread Specification: 1-1/4" NPSM
* Required Mounting Hole: 1-5/8" (42 mm)
* Maximum Hull Thickness: 2-1/2" (64 mm)
* Flange Diameter: 2-1/2" (64 mm)

Choose the GROCO 32 mm Thru-Hull for your next refit or new build. It is the professional´s choice for any application requiring a through-hull connection, including engine raw water intakes, scuppers, drains, and sanitation systems. Invest in the proven quality and unwavering reliability that only a leading brand like GROCO can deliver. Secure your vessel from the inside out