T-H Marine® Plastic Thru-Hull Fittings are the leading choice among OEM boat builders in the USA for your boat's plumbing.
Engineered for durability and reliability, our plastic thru-hull fittings are indispensable for all marine applications.
Crafted from premium virgin materials, each fitting ensures impressive longevity and an appealing finish that withstands the harsh marine environment.
Key features of our thru-hull fittings include top-quality construction using UV stabilized materials, which protect against the elements, guaranteeing long-lasting performance.
This steadfast durability alleviates concerns regarding degradation, enabling you to enjoy trouble-free marine plumbing solutions for years.
Our product range includes various options, such as standard 90-degree thru-hull fittings and versatile dual nut thru-hulls (TH-90 / TH-92), which accommodate different mounting thicknesses with ease.
For hard-to-reach installations, our spaner head thru-hulls (TH-1290S and TH-1292S) offer innovative design solutions, allowing you to tighten fittings from above effortlessly.
With precise hose barb compatibility, our fittings are specially designed to fit major hose manufacturers, ensuring a reliable connection.
This attention to detail promotes straightforward installations and confidence in performance.
The aesthetically pleasing design, featuring a sleek finished head and pass-around nut on our standard 90-degree thru-hulls, sets a new benchmark for marine plumbing solutions.
