GROCO 1-Inch Bronze Thru-Hull Fitting TH1000W

The GROCO 1-Inch Bronze Thru-Hull Fitting with Grounding Nut (Model TH1000W) is crafted from C83600 bronze for exceptional durability in marine environments. This UL Listed 647B combo fitting features both NPSM and NPT threads, making it compatible with a variety of plumbing setups. Ideal for boat owners and marine professionals needing secure and corrosion-resistant thru-hull installation. Suitable for both OEM and replacement applications, this fitting ensures safe and reliable water passage. The included grounding nut enhances electrical safety onboard.