30 WATER SYSTEMS
attwoodmarine.com
Plastic Thru-Hulls & Scupper Valve Fittings
Thru-Hulls Caution: Plastic Thru-Hull Connectors are designed for installation above the water line only. Fits Hose Size Stem Length Max Hull Thickness Flange Diameter Installation Hole Size Drain Plug Construction Color OEM Part # Part # 5/8" I.D. 3-1/4" 1-1/4" 1-3/4" 1-1/8" 5/8" Polypropylene White 3872-1 3872-3 Black 3872A1 — 3/4" I.D. 3-1/4" 1-1/4" 1-3/4" 1-1/8" 5/8" Polypropylene White 3873-1 3873-3 Black 3873A1 — 3/4" I.D. 4" 2" 2" 1-1/16" to 1-1/8" 5/8"? Acetal White 3896-1 3896-3 1-1/8" to 1-1/4" I.D. 3-1/4" 1-1/4" 2-1/4" 1-3/8" 7/8" Polypropylene White 3874-1 3874-3 Black 3874A1 — 1-1/2" I.D. 3-1/2" 1-1/4" 3" 1-7/8" to 2" 7/8" Polypropylene White 3875-1 3875-3 Black 3875A1 — 2" I.D. 3-1/2" 1-1/4" 3" 1-7/8" to 2" 7/8" Polypropylene White 3845-1 — 90° Thru-Hull Connectors 90° Thru-Hulls are ideal for tight installations, such as livewell overflow drains. Design eliminates hose kinking. Polypropylene construction. Caution: Plastic Thru-Hull Connectors are designed for installation above the water line only. Fits Hose Size Max Hull Thickness Flange Diameter Installation Hole Size Drain Plug Color OEM Part # Part # 3/4" I.D. 1" 1-1/2" 1" 1/2" White 3877-1 3877-3 Black 3880-1 — 1-1/8" to 1-1/4" I.D. 1-7/8" 2-7/16" 1-5/16" 7/8" White 3879-1 3879-3 Black 3870-1 — Double Ended Thru-Hull Connector Double-Ended Thru-Hull provides watertight transition through bulkheads or tanks. 5” overall length. Polypropylene construction. Caution: Plastic Thru-Hull Connectors are designed for installation above the water line only. Fits Hose Size Max Hull Thickness Installation Hole Size OEM Part # Part # 3/4" I.D. 1-1/8" 1-1/8" 3878-1 3878-3 Thru-Transom Thru-Hull Connector For installation through the transom. Ideal for overflow use in livewell installations. Can be used with the 3876 Scupper Valve in self-bailing applications, or as an exhaust port for a bilge pump. Polypropylene construction. Caution: Plastic Thru-Hull Connectors are designed for installation above the water line only. Fits Hose Size Stem Length Max Hull Thickness Flange Diameter Installation Hole Size Color OEM Part # Part # 1-1/2" I.D. 5-1/2" 3-1/8" 2-3/4" 2" White 3875B1 —
3872
3874
3875
3875B
3878
3877
3879
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