Attwood Marine Stainless Steel Thru-Hull Short Straight Barbed Fitting - 1-1/4 inch Inner Diameter

Stainless Steel Thru-Hull Short Straight Barbed - 1-1/4" Inner Diameter

Polish your image with these beautiful, durable stainless steel fittings. Why specify plastic parts when these fittings will last the life of the boat

Rugged Stainless Construction:

• Cast from certified Enhanced 316 Stainless Steel alloy for strength and lifetime corrosion-resistance


• All visible areas are polished to a mirror finish, then passivate each part for additional protection


• Thick steel sidewalls withstand continual stress and hose flexing

Faster, Simpler Installation:

• Each Thru-Hull is available with a new silicone gasket


• A channel under the flange holds a bead of sealant, making it easier to apply a trouble-free seal


• All models have wrench flats or an end notch to hold as a gripping surface; one installer can tighten all connections from inside the hull


• The barbed tail ends provide plenty of room to hold multiple clamps

Stainless Steel Straight Thru-Hulls, Barbed

• Short Thread is a more compact size, which allows installation near corners and in confined areas

Specifications:

• Hose size: (inch) 1-1/4" inner diameter


• Flange Diameter: (inch) 2-1/4"


• Thread O.D. (outside diameter): (inch) 1-5/8"


• Thread Length: (inch) 1-1/4"


• Barb Length: (inch) 1"


• Total Length: (inch) 2-5/8"


• Install Hole Saw Size: (inch) 1-3/4"


• Thread NPSM: (inch) 1-1/4"


• Max Hull Thickness: (inch) 5/8"

*Stainless Steel Thru-Hull Connectors are designed for installation above the water line only

Upgrade your boat’s plumbing with the Attwood Marine Stainless Steel Thru-Hull Short Straight Barbed Fitting, designed for durability and ease of installation. Crafted from certified Enhanced 316 stainless steel, this fitting offers exceptional strength and corrosion resistance, ensuring it withstands harsh marine environments over the long term. The polished mirror finish on all visible surfaces provides a sleek appearance that complements any vessel’s aesthetic. Its robust construction features thick steel sidewalls capable of handling continual stress from hose flexing, making it a reliable choice for demanding marine applications. The inclusion of a silicone gasket simplifies installation by providing a secure seal, while the channel under the flange allows for easy application of sealant, reducing installation time and ensuring a leak-proof connection. The fitting's design incorporates wrench flats or an end notch to facilitate tightening from inside the hull, and the barbed tail ends offer ample space for multiple clamps, securing hoses firmly in place. This short thread model is especially suitable for installation in tight spaces near corners or confined areas, providing flexibility during vessel retrofit or new construction. With a 1-1/4 inch inner diameter hose size and a flange diameter of 2-1/4 inches, this fitting is compatible with standard marine hoses and fittings. The threaded portion measures 1-1/4 inches in length with an outside diameter of 1-5/8 inches, and the barb length is 1 inch, making it versatile for various installation scenarios. Designed specifically for above-water-line use, the Attwood Marine Stainless Steel Thru-Hull is an essential component for reliable, corrosion-resistant marine plumbing systems that last a lifetime. It is recommended for applications where durability and ease of installation are priorities, providing a secure connection point that maintains integrity over years of use.

Features:

• Constructed from certified Enhanced 316 stainless steel for strength and corrosion resistance

• Mirror-polished finish with passivation for added protection

• Thick steel sidewalls withstand stress and hose flexing

• Includes silicone gasket for easier installation and sealing

• Channel under flange for sealant application ensures leak-proof connections

• Wrench flats or end notch for easy tightening from inside the hull

• Barbed tail ends accommodate multiple hose clamps for secure attachment

• Short thread design allows installation in tight spaces near corners

• Suitable for above-water-line applications with a 1-1/4 inch inner diameter hose