---
product_id: 422055759
title: "Merrill MFG 4\" Cast Iron Well Seal, Cap, Split Top Plate, Single Drop 1in"
brand: "merrill"
price: "฿6358"
currency: THB
in_stock: true
reviews_count: 6
category: "Merrill"
url: https://www.desertcart.co.th/products/422055759-merrill-mfg-4-cast-iron-well-seal-cap-split-top
store_origin: TH
region: Thailand
---

# 3/4" thick rubber packer seal Durable cast iron build 4 in. well casing fit Merrill MFG 4" Cast Iron Well Seal, Cap, Split Top Plate, Single Drop 1in

**Brand:** merrill
**Price:** ฿6358
**Availability:** ✅ In Stock

## Summary

> 🔧 Seal your well with confidence — durability meets precision!

## Quick Answers

- **What is this?** Merrill MFG 4" Cast Iron Well Seal, Cap, Split Top Plate, Single Drop 1in by merrill
- **How much does it cost?** ฿6358 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/422055759-merrill-mfg-4-cast-iron-well-seal-cap-split-top)

## Best For

- merrill enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Installation:** Split top plate design simplifies setup, saving valuable time and reducing installation hassle for professionals and DIY enthusiasts alike.
- • **Robust Cast Iron Construction:** Painted cast iron split plate design offers exceptional durability and long-lasting protection against environmental wear and tear.
- • **Precision Fit for 4" Well Casings:** Engineered specifically for seamless integration with standard 4-inch inside diameter well casings, ensuring a secure and reliable seal.
- • **Trusted Performance Up to 300 Feet:** Supports maximum lifting heights of up to 300 feet, making it ideal for a wide range of well applications.
- • **Superior Seal with Thick Rubber Packer:** 3/4" thick rubber packer guarantees a tight, leak-proof fit, minimizing maintenance and maximizing efficiency.

## Overview

The Merrill WS400100 is a heavy-duty 4-inch cast iron well seal featuring a split top plate and a 3/4" thick rubber packer for a secure, leak-proof fit. Designed for easy installation and reliable performance up to 300 feet, it’s the professional’s choice for durable well casing protection.

## Description

Merrill MFG 4" Cast Iron Well Seal, Cap, Split Top Plate, Single Drop 1in - desertcart.com

Review: Works great - Had to shave off a bit off on the rubber gasket but works fine
Review: Worked Great! - Worked great for a four inch casing.

## Features

- For use with 4 in. inside diameter well casing
- 1" Drop Pipe
- Painted Cast Iron, Split Plate Design
- 3/4" thick rubber packer
- Easy Installation

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Merrill |
| Item Weight | 1.39 Kilograms |
| Material | Cast Iron |
| Maximum Lifting Height | 300 Feet |
| Power Source | Ac/dc |
| Style | Above Ground |

## Product Details

- **Brand:** Merrill
- **Material:** Cast Iron
- **Style:** Above Ground
- **Power Source:** Ac/dc
- **Item Weight:** 1.39 Kilograms
- **Maximum Lifting Height:** 300 Feet
- **Manufacturer:** Merrill Manufacturing Company
- **UPC:** 642367451899

## Images

![Merrill MFG 4" Cast Iron Well Seal, Cap, Split Top Plate, Single Drop 1in - Image 1](https://m.media-amazon.com/images/I/51xPhu8Jy9L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works great
*by N***O on January 7, 2025*

Had to shave off a bit off on the rubber gasket but works fine

### ⭐⭐⭐⭐⭐ Worked Great!
*by A***R on June 19, 2024*

Worked great for a four inch casing.

### ⭐⭐⭐⭐⭐ Great Product
*by J***N on October 27, 2023*

works and fits great

## Frequently Bought Together

- Merrill MFG 4" Cast Iron Well Seal, Cap, Split Top Plate, Single Drop 1in
- Well Pump Wire Splice Kit, Submersible 3M Dual Wall Heat Shrink Tubing and Copper Connector for 4 Wires, #10#12#14 AWG.
- SIMMONS 1350 Rubber Torque Arrestor, 1" to 1-1/4"

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**Shop now:** [https://www.desertcart.co.th/products/422055759-merrill-mfg-4-cast-iron-well-seal-cap-split-top](https://www.desertcart.co.th/products/422055759-merrill-mfg-4-cast-iron-well-seal-cap-split-top)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-04-23*