1-1/2 inch 90 degree Thru-Hull Fittings

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.

Unique 90 degree fittings:
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.

Thru-Hull Dimensions Chart - 90 Degree (inches)
Black Part # White Part #  Chrome Part #  A  B  C  D (hose)  E
TH-1590 TH-1592 TH-1590CP  2-7/8"  4-1/4"  1-5/8" 1-1/2"  2"
N/A TH-1502S2 N/A  2-7/8"  3"  3/4"  1-1/2"  1-7/8"
N/A TH-1502S2N N/A  2-7/8"  3-3/4"  3/4"  1-1/2"  1-7/8"


OEM/BULK Product Name Packaged
TH-1590 Thru Hull - 90 Deg. - 1 1/2" Hose - Black TH-1590-DP
TH-1592-DP Thru Hull - 90 Deg. - 1 1/2" Hose - White TH-1592-DP
TH-1590CP Thru Hull - 90 Degree - 1-1/2” Hose - Chrome Plated TH-1590CP-DP
TH-1502S2 Thru Hull - Blue 90 Deg. - White Head - 1 1/2" Hose TH-1502S2-DP
TH-1502S2N Thru Hull - Blue 90 Deg. - White Head - 1 1/2" Hose - w/ jam nut TH-1502S2N-DP


    Standard Pack:
    OEM – Bulk 50/Box
    Distributor Packaged – 12/Box

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