Groco THXL1000WS 1" Stainless Steel Extra Long Thru-Hull Fitting

The Groco THXL1000WS is a premium marine thru-hull fitting designed for installations requiring extra length to accommodate thicker hull construction or additional interior reinforcement. Machined from corrosion-resistant #316 stainless steel, this fitting delivers exceptional durability in harsh marine environments.

Key Features:

• 1" size for medium-flow applications
• #316 stainless steel construction for superior corrosion resistance
• Extra long body accommodates hulls up to 3" thick
• Combination NPSM/NPT thread design for versatile installation options
• Precision machined for smooth water flow and reliable sealing
• Ideal for livewell systems, raw water intake, and discharge applications

Groco's THXL series fittings are trusted by boat builders and marine professionals for their quality construction and long-lasting performance. The extra length design makes this fitting particularly suitable for cored hull construction or applications where standard-length fittings fall short.