Groco Stainless Steel Thru-Hull Fitting

The Groco Stainless Steel Thru-Hull Fitting gives a strong, corrosion-resistant through-hull connection for boat plumbing. It suits seawater intakes, discharges, bilge and deck drains, and other below-waterline or at-the-waterline plumbing runs. The fitting comes with a nut and is made for marine use. It works as a base for a seacock or valve.

Key Features:

• #316 stainless steel construction resists corrosion in harsh marine environments
• NPSM / NPT combination thread lets you connect common marine valves and seacocks
• Supplied with a nut to secure the fitting through the hull
• UL Listed 647B for marine through-hull use

Groco is a well-known name in marine plumbing and through-hull hardware. This line has several sizes, so you can match the fitting to your plumbing.