Provides a water exit for boats with self-bailing cockpits. Acetal construction. Accommodates 3875B thru-transom thru-hull connector (screw holes must be drilled for installation.) Diameter: 2 3/4".
Can be used as a stand alone scupper or also used as a replacement valve for ATT 38811 Thru-Transom Scupper.
The Scupper Flap is tough, flexible material with a molded V-groove to reduce backwash. Fasteners are concealed and corrosion-proof. For 1-1/2" ID exhaust hose and transoms to 3" thick.
Rugged Stainless Construction Cast from certified #316 Stainless Steel alloy for strength and lifetime corrosion-resistance. Thick steel sidewalls withstand continual stress and hose flexing.
Faster, Simpler Installation A channel under the flange holds a bead of sealant, making it easier to apply a trouble-free seal. One installer can tighten all connections from inside the hull.
Barbed tail ends provide plenty of room to hold multiple clamps.
Cast bronze with rubber check ball. Comes complete with key. For use when discharge is below waterline. Angle of outlet is 45 degrees. Screw size is #8.
Available in 2 sizes: 1" hose with 3 1/4" flange 1 1/2" hose with 3 3/4" flanges
High impact fiberglass reinforced white plastic ring with rubber flap and gasket. For boats with self bailing cockpits. Mounts on transom above water line. 2-7/8" Diameter. Fastens with #6 screws.
Automatically seals and drains self bailing decks. Made of clear polycarbonate material. Solid polyethylene ball and PVC seal mounts on transom above water line.
Available in 2 sizes: Small- Fits 3/4" to 1 1/2" openings Large-Fits 1 1/2" to 3" openings
This cockpit scupper drain provides an inexpensive alternative to items currently available for draining areas where the discharge is below waterline. This injection molded part is high strength and UV stabilized to provide value and durability. The check ball contained inside the cockpit scupper drain is molded and then ground smooth and round to provide better sealing against reverse water flow that occurs when backing boat.
The overall diameter of the mounting flange is 3 9/16". The cockpit scupper drain requires a 2 1/2" diameter hole for installation and mounts with four (4) number 8 screws (not furnished). Top of cockpit scupper drain is removable for cleaning. Fits 1 1/2" hose.
