---
product_id: 428142055
title: "T-H MARINEFlow-Max Boat Self-Bailing Ball Scupper Valve - Positive Sealing Ball Drain Replaces Old Flapper Scuppers - Fits Over 1-1/8\" Motorwell Tubes"
brand: "t-h marine"
price: "₪188"
currency: ILS
in_stock: true
url: https://www.desertcart.co.il/products/428142055-t-h-marineflow-max-boat-self-bailing-ball-scupper-valve
store_origin: IL
region: Israel
---

# Self-bailing design 70% more drainage Easy installation T-H MARINEFlow-Max Boat Self-Bailing Ball Scupper Valve - Positive Sealing Ball Drain Replaces Old Flapper Scuppers - Fits Over 1-1/8" Motorwell Tubes

**Brand:** t-h marine
**Price:** ₪188
**Availability:** ✅ In Stock

## Summary

> 🚤 Elevate Your Boating Experience with Effortless Drainage!

## Quick Answers

- **What is this?** T-H MARINEFlow-Max Boat Self-Bailing Ball Scupper Valve - Positive Sealing Ball Drain Replaces Old Flapper Scuppers - Fits Over 1-1/8" Motorwell Tubes by t-h marine
- **How much does it cost?** ₪188 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.il](https://www.desertcart.co.il/products/428142055-t-h-marineflow-max-boat-self-bailing-ball-scupper-valve)

## Best For

- t-h marine enthusiasts

## Why This Product

- Trusted t-h marine brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Quick Retrofits:** Multiple mounting openings allow for easy installation—no need for re-drilling!
- • **Secure Fit Guaranteed:** Designed to fit over 1-1/8" motorwell tubes with a safety screw for peace of mind.
- • **Effortless Maintenance:** Twist-off design makes cleaning a breeze—no more hassle!
- • **Maximize Your Drainage:** Experience up to 70% more drainage efficiency for a drier deck.
- • **Upgrade Your Scupper Game:** Say goodbye to worn-out flappers and hello to seamless drainage!

## Overview

The T-H MARINE Flow-Max Boat Self-Bailing Ball Scupper Valve is engineered to replace outdated flapper scuppers, offering a robust solution for improved drainage. With a self-bailing design that provides up to 70% more drainage, this valve ensures your cockpit and deck stay dry. Its innovative twist-off feature allows for easy cleaning, while the secure fit over 1-1/8" motorwell tubes simplifies installation. Perfect for boaters looking to enhance their vessel's performance and maintenance ease.

## Description

T-H MARINEFlow-Max Boat Self-Bailing Ball Scupper Valve - Positive Sealing Ball Drain Replaces Old Flapper Scuppers - Fits Over 1-1/8" Motorwell Tubes

## Features

- Replace Worn Out Flapper Scuppers - the Flow Max ball scupper features multiple mounting openings to make retrofits quick and easy - no filling holes or re-drilling
- Improved Drainage - self bailing scupper drain features a larger exit hole that offers up to 70% more drainage than other boat scuppers
- Keep Your Cockpit and Deck Dry - boat scupper ball uses neutral buoyancy to ensure a tight seal and eliminate the possibility of water flowing back into the drainage lines
- Easy Cleaning - self-draining scupper features a new twist-off design that makes cleaning out excess debris a snap
- Installation - scupper seal is slotted to fit over 1-1/8" motorwell tubes and includes a safety screw to keep valve in place - installation will require tapered head screws

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | TH Marine |
| Brand | T-H MARINE |
| Model | TH Marine |
| Product Dimensions | 7.62 x 12.07 x 22.23 cm; 104.33 g |
| Item model number | FMS-1-0-DP |
| Exterior | Stainless Steel |
| Manufacturer part number | FMS-1-0-DP |
| Item Weight | 104 g |

## Product Details

- **Material:** Plastic
- **Brand:** T-H MARINE
- **Item dimensions L x W x H:** 7.6 x 12.1 x 22.2 centimetres
- **Exterior finish:** Stainless Steel
- **Inlet connection type:** Slip Fit
- **Outlet connection type:** Slip Fit
- **Number of ports:** 2
- **Valve type:** Ball Valve
- **Global Trade Identification Number:** 00733572042610
- **Manufacturer:** TH Marine

## Images

![T-H MARINEFlow-Max Boat Self-Bailing Ball Scupper Valve - Positive Sealing Ball Drain Replaces Old Flapper Scuppers - Fits Over 1-1/8" Motorwell Tubes - Image 1](https://m.media-amazon.com/images/I/512KKVa97IL.jpg)
![T-H MARINEFlow-Max Boat Self-Bailing Ball Scupper Valve - Positive Sealing Ball Drain Replaces Old Flapper Scuppers - Fits Over 1-1/8" Motorwell Tubes - Image 2](https://m.media-amazon.com/images/I/41thtNM1HqL.jpg)
![T-H MARINEFlow-Max Boat Self-Bailing Ball Scupper Valve - Positive Sealing Ball Drain Replaces Old Flapper Scuppers - Fits Over 1-1/8" Motorwell Tubes - Image 3](https://m.media-amazon.com/images/I/31SxPzQoedL.jpg)
![T-H MARINEFlow-Max Boat Self-Bailing Ball Scupper Valve - Positive Sealing Ball Drain Replaces Old Flapper Scuppers - Fits Over 1-1/8" Motorwell Tubes - Image 4](https://m.media-amazon.com/images/I/41vP26mIXTL.jpg)

## Questions & Answers

**Q: is the ball removable without unscrewing it? what it the distance between screws on center?**
A: the housing is 2 pieces. you can remove the outer portion that holds the ball. it can be removed by removing 2 small retaining screws and the outer part twists to the left to unlock and remove it from the stern mounted base. the base mounting screws are center to center are 2-7/16"

**Q: si pueden poner mas fotos con las medidas o dimenciones por que no entiendo las medidas esas que aparecen en las especificaciones gracias**
A: yes

**Q: Hello!  Quick question...  My boat transom drain tubes measure 1 3/8".  Is the scupper seal ball opening same size, or wider, than the 1 3/8" hole?**
A: The seal ball seals to the base of the seal-ball scupper and not to your drain holes.. I have been using these for several years and they work great..

**Q: Will it fit a Sea-Doo Speedster 150?**
A: It should, measure flange to make sure. OEM standard

## Frequently Bought Together

- T-H MARINE Flow-Max Boat Self-Bailing Ball Scupper Valve - Positive Sealing Ball Drain Replaces Old Flapper Scuppers - Fits Over 1-1/8" Motorwell Tubes
- 3M Marine Adhesive Sealant Fast Cure 5200 (05220) Permanent Bonding and Sealing for Boats and RVs Above and Below the Waterline Waterproof Repair, White, 3 fl oz Tube
- 3M TALC Marine Adhesive Sealant Fast Cure 4200 (05260) – Semi-Permanent Flexible Adhesive Sealant for Boats and Marine Applications – White – 3 Ounces

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.co.il/products/428142055-t-h-marineflow-max-boat-self-bailing-ball-scupper-valve](https://www.desertcart.co.il/products/428142055-t-h-marineflow-max-boat-self-bailing-ball-scupper-valve)

---

*Product available on Desertcart Israel*
*Store origin: IL*
*Last updated: 2026-02-19*