Little Giant AD-BH-2 Bulkhead Fitting - 2-Inch FNPT for Ponds and Tanks - USA Made

Overview

Meet the Little Giant AD-BH-2 bulkhead fitting, a compact 2-inch FNPT connection designed for water basins including ponds, tanks, skimmers, hydroponic reservoirs, and aquariums. It suits basins with wall thickness from 1/6 inch to 1/2 inch, providing a dependable path for piping while keeping flow steady. This bulkhead emphasizes straightforward installation and durable performance, offering a practical option for hobbyists and professionals who want a robust, ready-to-use connection without complex fittings. While no single part guarantees leak-free operation in every scenario, this design is built to minimize common issues when paired with compatible components.

Design and materials

The AD-BH-2 features a polypropylene body and nut, a polyethylene friction washer, and an EPDM sealing washer. These materials offer light weight, chemical resistance, and a solid seal. All components are FDA-approved grade and fish-safe, making them suitable for aquariums and water features. The assembly is manufactured in the USA, reflecting domestic quality controls and batch consistency.

Key features

• 2-inch FNPT internal threading; external threading and nut use left-hand threads for secure installation
• Wall thickness compatibility between 1/6 inch and 1/2 inch
• Durable polypropylene body and nut with polyethylene friction washer and EPDM seal
• FDA-approved components ensure fish-safe, water-contact compatibility
• Ready for easy installation with common 2-inch piping systems

Specifications at a glance

• Wall thickness range: 1/6 inch to 1/2 inch
• Threading: 2-inch FNPT internal; left-hand external threads; nut included
• Materials: polypropylene, polyethylene, EPDM
• Made in the USA; FDA-approved components

Practical applications

Ideal for water tanks, pump vaults, pond skimmers, hydroponic reservoirs, aquariums, water feeders, and other basins requiring a sturdy 2-inch connection. The bulkhead supports a range of installations—from decorative water features to functional systems—without overhauling existing plumbing.

Choosing the right bulkhead can simplify maintenance and improve reliability across setups where a secure 2-inch connection is needed. This Little Giant model aims to be a practical, durable choice for both upgrades and new builds.

Installation tips and best practices

• Verify wall thickness falls within the 1/6 inch – 1/2 inch range before installation
• Use compatible 2-inch FNPT fittings and follow standard plumbing practices
• Inspect gaskets, tighten gradually, and test for leaks after initial operation

With Little Giant, you receive a domestically produced bulkhead designed for dependable performance in a variety of water-feature configurations. Consider how a sturdy bulkhead could support your project goals, keeping in mind that outcomes depend on proper installation and compatible hardware.