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Product Details

Groco Flush Mount Bronze Thru-Hull Fittings are threaded with NPS (straight) male pipe threads and are designed for use with Groco Seacocks or any similar product with NPS female threads.

These thru-hull fittings can also be used with NPT (tapered) threads in low pressure installations only. When connecting to tapered threads, a generous amount of pipe sealant or PTFE thread tape is absolutely required.

Groco thru-hulls are the best choice for below the waterline installations. Available with or without the bronze locknut with a bonding screw, or may be threaded directly into a compatible seacock.

Reviews for Groco Flush Mount Bronze Thru-Hull Fittings

2 of 2 Reviews

March 16, 2018

Built to last
By Seafarer 30 from Great Lakes

Stout product

Bottom Line Yes, I would recommend to a friend

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June 10, 2011

[...]
By Captain Kev from Baldwinsville, NY

The product is great. [...]

Bottom Line Yes, I would recommend to a friend

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