T-H Marine is the leading supplier of plastic thru-hull fittings in the U.S.A., trusted by more OEM boat builders than any other brand. Our high-quality, UV-stabilized products ensure durability and secure hose connections for hassle-free installations.
- Molded from premium virgin materials for consistent sizing and long-lasting performance.
- Standard and dual nut fittings designed for easier installations and versatile mounting options.
- Flat head drain fittings provide complete water evacuation, ideal for livewell applications.
Features
T-H Marine – #1 Plastic Thru-Hull Supplier in the U.S.A.
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 ensure 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.
- STANDARD 90 DEGREE THRU-HULLS- Our standard 90 degree fittings feature a unique finished head and a pass-around nut for easier and more attractive installation, an innovation that T-H Marine developed.
- DUAL NUT THRU-HULLS (TH-90 / TH-92)- Traditional two nut 90 degree fittings. Allows for variety of mounting thicknesses. May be used where installtion must be done from the topside with a traditional nut.
- SPANER HEAD THRU-HULLS, 3/4″ and 111/8″ (TH-7590S, TH-1290S)- For those hard to reach applications that may or may not require low clearance. This spaner head thru-hull allows for installation and tightening from the top with a finished head nut.
- LOW CLEARANCE, 1 1/2″ THRU-HULL (TH-1502S2 / TH-1502S2N)- For those applications that require a 1 1/2″ thru-hull with tighter clearance. This unique two-piece thru-hull makes the quickest turn of any 90 degree fitting available. This thru-hull can fit a wide range of thicknesses. Fitting can be ordered and used with or without a jam nut.
- FLAT HEAD, OPEN THROAT, 3/4″ THRU-HULL (APD-190F / APD-290F)- For areas where total drainage is needed without a sump, these 90° drain fittings have a flat head to provide full evacuation of water. Excellent for livewell drains, our PP-118 plug is the perfect companion piece.
| OEM/Bulk | Product Name | Packaged |
|---|---|---|
| TH-7590 | Thru Hull – 90 Deg. – 3/4″ Hose – Black | TH-7590-DP |
| TH-7592-DP | Thru Hull – 90 Deg. – 3/4″ Hose – White | TH-7592-DP |
| TH-7592S-DP | Thru Hull – 90 Deg. – 3/4″ Hose – White W/Spanner Head | TH-7592S-DP |
| TH-7590CP-DP | Thru Hull – 90 Degree – 3/4″ Hose – Chrome Plated | TH-7590CP-DP |
| TH-90-B | Thru Hull – 90 Deg. – 3/4″ Hose – Black -Two Nut | TH-90-DP |
| TH-92-B | Thru Hull – 90 Deg. – 3/4″ Hose – White -Two Nut | TH-92-DP |
| TH-7590S-DP | 3/4″ Thru Hull Fitting – 90 Degree w/Spanner head | TH-7590S-DP |
Standard Pack:
OEM – Bulk 50/Box
Distributor Packaged – 12/Box
Specs
| Black Part # | White Part # | Chrome Part # | A | B | C | D (hose) | E |
| TH-7590 | TH-7592 | TH-7590CP | 1-1/2″ | 2-1/2″ | 1″ | 3/4″ | 1″ |
| TH-90 | TH-92 | N/A | 1-5/8″ | 2-5/8″ | 7/8″ | 3/4″ | 1″ |
| TH-7590S | N/A | N/A | 1-5/8″ | 2-5/8″ | 7/8″ | 3/4″ | 1″ |
| APD-190F | APD-290F | N/A | 1-7/8″ | 2-3/8″ | 3/4″ | 3/4″ | 1-3/8″ |































Reviews
There are no reviews yet.