1" Female pipe thread to 1 1/2" female pipe thread

Product Description:

Elevate your boat's plumbing system with our premium USA-made 1" Female to 1 1/2"Female Straight Adapter, built from marine-grade high-strength composite PVC for unmatched durability in demanding environments.

Designed to withstand saltwater corrosion, UV exposure, and extreme weather, this straight adapter maintains structural integrity without flexing, cracking, or deteriorating with age—ensuring your plumbing system stays leak-free and efficient season after season.

The tapered female pipe threads offer a secure and watertight connection, while the hex-shaped center section provides a firm grip for fast, tool-assisted tightening—making installations and upgrades smooth, even in tight compartments.

With a compact 1.8-inch length, this adapter is engineered to maximize space and flow efficiency in confined bilges, pump rooms, or tank areas. Whether you're outfitting a Bayliner, Sea Ray, Boston Whaler, Lund, or Yamaha, this fitting ensures professional-grade reliability.

Product Specifications:

• Thread Size: 1" Female Pipe Thread (FPT) x 1 1/2" Female Pipe Thread (FPT)

• Overall Length: 1.8 inches

• Material: Marine-grade engineered composite PVC

• Design: Straight FPT-to-FPT adapter with tapered threads

• Installation Aid: Hex-shaped center for tool grip

• Made In: USA

• Applications: Bilge systems, freshwater plumbing, tank fittings, washdowns, live wells, and deck drains