Thru-Hull Fittings

T-H Marine - #1 Plastic Thru-Hull Fittings Supplier in the U.S.A.

T-H Marine offers a large selection of boat washdown and valve systems including remote drain control, operation arm, washdown hose, washdown hose holder, washdown fittings and much more. Our boat washdown and valve systems can be utilized for livewells, baitwells, washdown or hand held shower systems. With such a large inventory of boat washdown and valve system parts and accessories, you are sure to find what you need at T-H Marine. You can find our boat washdown and valve system parts and accessories in retail locations throughout the world and online at such retailers like iboats, Amazon, Bass Pro Shops, Cabela’s, West Marine, and Overton’s.

Our molded Thru-Hull fittings are used by more OEM boat builders than any other brand.

All T-H Marine Thru-Hull Fittings are made of the highest quality virgin material to insure consistent size, extra durability and attractive appearance. All materials are UV stabilized to provide longevity. T-H Marine has worked with major hose manufacturers to guarantee that our hose barbs have the exact specifications to fit hose securely so that your installations will be trouble free.