1" Female pipe thread to 1 1/4" female pipe thread

Product Description:

Upgrade your boat’s plumbing system with our premium USA-made 1" Straight Female-to-1 1/4" Female Pipe Adapter, engineered for marine-grade durability and long-lasting performance in harsh saltwater and freshwater environments.

Made from high-strength engineered composite, this adapter resists cracking, corrosion, UV damage, and temperature swings—ensuring it won’t flex, fade, or degrade with time.

The precision-molded tapered female pipe threads ensure a leak-proof seal for all your boat’s plumbing upgrades or repairs. Meanwhile, the hex-shaped center section provides a strong grip, allowing easy tightening and quick installation—even in hard-to-reach compartments.

At just 1.8 inches in overall length, this compact fitting is ideal for tight installations while maintaining full flow capacity. Whether you're outfitting a Grady-White, Bayliner, Sea Ray, Lund, Tracker, Boston Whaler, or Yamaha boat, this fitting is a go-to replacement or upgrade in any marine plumbing system.

Product Specifications:

• Connection Type: 1" Female Pipe Thread (FPT) x 1 1/4" Female Pipe Thread (FPT)

• Overall Length: 1.8 inches

• Material: Engineered marine-grade composite PVC

• Design: Straight female-to-female pipe adapter

• Thread Type: Tapered FPT threads for leak-free seal

• Grip Feature: Hex-shaped center for easy installation

• Country of Origin: Made in the USA

• Best For: Bilge plumbing, water tanks, live wells, washdowns, freshwater systems, marine plumbing repairs