1 1/2" FPT x 1" HB straight adapter

Product Overview

 Upgrade your boat’s plumbing system with our premium HB Straight Adapter, engineered for maximum performance in harsh marine environments. With a 1-1/2″ FPT thread and a 1″ hose barb, this fitting is perfect for connecting plumbing lines with durability and leak resistance in mind.

Crafted in the USA from marine-grade engineered composite, this adapter resists UV rays, corrosion, saltwater, and impact damage—making it ideal for long-term use in bilge systems, livewells, freshwater lines, and more.

The hex-shaped center section ensures a secure grip during installation, and the double clamp-compatible barb adds extra peace of mind for high-pressure or high-vibration applications.

Need a different size or thread combo? We’ll help you find it—just reach out and we’ll source the perfect solution for your project.

Product Specifications 

ME 8783

• Thread Size: 1-1/2″ Female Pipe Thread (FPT)

• Hose Barb Size: 1″ Inner Diameter (ID)

• Overall Length: 2.25 inches

• Material: High-strength engineered marine composite

• Grip Feature: Hex-shaped center body for tool-assisted or manual tightening

• Clamp Compatibility: Room to accommodate double hose clamps

• Weather Resistance: UV-resistant, corrosion-proof, and saltwater safe

• Made In: 🇺🇸 USA

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.