---
product_id: 429659801
title: "Merrill MFG Air Volume Control for Deep Wells – Automatic Water Tank Pressure Control Valve for Deep Well Pump Systems"
price: "EC$225"
currency: XCD
in_stock: true
reviews_count: 8
url: https://grenada.desertcart.com/products/429659801-merrill-mfg-air-volume-control-for-deep-wells-automatic-water
store_origin: GD
region: Grenada
---

# Pressure-tested float for durability 1-1/4" threaded pipe for secure fit Brass internals resist corrosion Merrill MFG Air Volume Control for Deep Wells – Automatic Water Tank Pressure Control Valve for Deep Well Pump Systems

**Price:** EC$225
**Availability:** ✅ In Stock

## Summary

> 💧 Keep your deep well system flowing flawlessly—because your water deserves the best!

## Quick Answers

- **What is this?** Merrill MFG Air Volume Control for Deep Wells – Automatic Water Tank Pressure Control Valve for Deep Well Pump Systems
- **How much does it cost?** EC$225 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [grenada.desertcart.com](https://grenada.desertcart.com/products/429659801-merrill-mfg-air-volume-control-for-deep-wells-automatic-water)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Heavy-Duty Durable Housing:** Designed to withstand tough deep well environments without compromise.
- • **Plug-and-Play Installation:** Standard 1-1/4" pipe threading ensures quick, hassle-free setup—no local hard-to-find parts needed.
- • **Built-In Pressure Gauge Tap:** Easily monitor system pressure with the convenient 1/4" gauge port.
- • **Precision Air Volume Balance:** Keeps your deep well water tank perfectly pressurized for optimal pump performance.
- • **Corrosion-Resistant Brass Components:** Engineered to last with premium brass parts that fight rust and wear.

## Overview

The Merrill MFG Air Volume Control is a robust automatic pressure control valve designed specifically for deep well pump systems. Featuring corrosion-resistant brass internals, a pressure-tested plastic float, and a 1-1/4" threaded pipe with a 1/4" gauge tap, it ensures precise air volume balance and long-lasting durability. Ideal for professionals seeking reliable, easy-to-install water tank pressure management.

## Description

Merrill MFG Air Volume Control for Deep Wells – Automatic Water Tank Pressure Control Valve for Deep Well Pump Systems - desertcart.com

Review: Works great. - Hard to find locally. Good quality.
Review: More economical than going to my local waterwell service. - Works like a charm.

## Features

- Maintains balance of air volume in galvanized water tanks when using deep well pumps
- Body threaded 1-1/4" Pipe, has 1/4" tap for gauge
- Brass internal operating parts minimize corrosion -
- Pressure tested plastic float provides long operating life
- Deep well control - Durable housing
- CALIFORNIA PROP 65 WARNING: Product may expose you to chemicals known to the State of California to cause cancer and reproductive harm. See P65Warnings.ca.gov for details

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Merrill Manufacturing Company |
| Part Number | 1 |
| Item Weight | 6.7 ounces |
| Package Dimensions | 10.12 x 3.94 x 1.73 inches |
| Batteries Included? | No |
| Batteries Required? | No |

## Images

![Merrill MFG Air Volume Control for Deep Wells – Automatic Water Tank Pressure Control Valve for Deep Well Pump Systems - Image 1](https://m.media-amazon.com/images/I/41OG87vIO+L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works great.
*by A***R on May 21, 2025*

Hard to find locally. Good quality.

### ⭐⭐⭐⭐⭐ More economical than going to my local waterwell service.
*by C***O on November 1, 2025*

Works like a charm.

### ⭐⭐⭐⭐⭐ Water well tank float.
*by H***. on November 10, 2024*

Well made well tank float. Float screws to assembly with brass screws and plate. The one I replaced was a cheap $8 unit. Assembly came out but the float fell off. Cheap pos. I recommend this high quality tank float.

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**Shop now:** [https://grenada.desertcart.com/products/429659801-merrill-mfg-air-volume-control-for-deep-wells-automatic-water](https://grenada.desertcart.com/products/429659801-merrill-mfg-air-volume-control-for-deep-wells-automatic-water)

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*Product available on Desertcart Grenada*
*Store origin: GD*
*Last updated: 2026-11-04*