---
product_id: 3460490
title: "Fluidmaster 703AP4 Specialty Toilet Fill Valve for Glacier Bay and Niagara Conservation Flapperless Toilets"
brand: "fluidmaster"
price: "748673₫"
currency: VND
in_stock: true
reviews_count: 13
category: "Fluidmaster"
url: https://www.desertcart.vn/products/3460490-fluidmaster-703ap4-specialty-toilet-fill-valve-for-glacier-bay-niagara
store_origin: VN
region: Vietnam
---

# DIY-friendly, easy 1-step installation Faster refill speed for Glacier Bay/Niagara toilets 0.75-inch inlet/outlet barb connections Fluidmaster 703AP4 Specialty Toilet Fill Valve for Glacier Bay and Niagara Conservation Flapperless Toilets

**Brand:** fluidmaster
**Price:** 748673₫
**Availability:** ✅ In Stock

## Summary

> 🚽 Upgrade your throne with the fastest, easiest fill valve fix!

## Quick Answers

- **What is this?** Fluidmaster 703AP4 Specialty Toilet Fill Valve for Glacier Bay and Niagara Conservation Flapperless Toilets by fluidmaster
- **How much does it cost?** 748673₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/3460490-fluidmaster-703ap4-specialty-toilet-fill-valve-for-glacier-bay-niagara)

## Best For

- fluidmaster enthusiasts

## Why This Product

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

## Key Features

- • **Durable & Efficient:** High-quality plastic construction designed to outlast calcification and wear
- • **Effortless DIY Upgrade:** Install in minutes with clear instructions—no plumber needed
- • **Trusted Industry Leader:** From Fluidmaster, the #1 global toilet parts brand since 1957
- • **Speedy Refill Technology:** Boost your toilet’s refill time and reduce wait with optimized flow
- • **Precision Fit for Glacier Bay & Niagara:** Seamlessly replaces flapperless fill valves to restore peak performance

## Overview

The Fluidmaster 703AP4 is a premium specialty fill valve designed as a direct replacement for Glacier Bay and Niagara flapperless toilets. Featuring 0.75-inch barb connections and engineered for faster refill speeds, it restores your toilet’s factory performance with a simple, DIY-friendly installation. Backed by Fluidmaster’s global reputation and decades of expertise, this durable valve solves common fill issues efficiently, making it the go-to upgrade for modern, water-conscious homes.

## Description

Product Description Fluidmaster is the number 1 toilet parts brand in the world, selling more than 100 million toilet products annually and selling more toilet-tank replacement parts than any other manufacturer in the world. From the Manufacturer Fluidmaster is the #1 toilet repair brand in the world. Since 1957, we have been guiding our customers to the right toilet repair solutions. Fluidmaster is dedicated to making the installation of its products easy and simple with a complete line of toilet repair parts including: fill valves, single and dual flush valves, flappers, tank levers, toilet seals (bowl wax and wax-free), toilet repair kits, flush valve seals, connectors and more. Fluidmaster parts are found in more toilets than all other brands combined. Fluidmaster distributes to over 90 countries and is the trusted brand by toilet manufacturers and professionals worldwide.

## Features

- A direct replacement for Glacier Bay & Niagara Flapperless Toilets
- Easy-to-install, instructions included
- Increase your Glacier Bay / Niagara refill speed
- Restore & optimize your toilet to factory performance
- Replace old or inefficient fill valves with this high-quality replacement part
- A fast and effective DIY solution to common toilet fill problems

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B004TPTFEE |
| Best Sellers Rank | #8,844 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #9 in Toilet Flush Valves |
| Brand | Fluidmaster |
| Brand Name | Fluidmaster |
| Connector Type | Barb |
| Customer Reviews | 4.8 out of 5 stars 6,132 Reviews |
| Exterior Finish | Plastic |
| Global Trade Identification Number | 00039961371348 |
| Included Components | Product Only |
| Inlet Connection Size | 0.75 Inches |
| Inlet Connection Type | Barb |
| Item Dimensions | 2.38 x 2.38 x 8.38 inches |
| Item Type Name | toilet-replacement-parts |
| Item Weight | 3.2 ounces |
| Item dimensions L x W x H | 2.38 x 2.38 x 8.38 inches |
| Manufacturer | Fluidmaster |
| Manufacturer Part Number | 703AP4 |
| Manufacturer Warranty Description | Warranty |
| Material | Plastic |
| Material Type | Plastic |
| Model Number | 703A |
| Outlet Connection Size | 0.75 Inches |
| Outlet Connection Type | Barb |
| Size | 1 Pack |
| Thread Size | 0.75 inches |
| UPC | 796716399315 039961371348 |
| Unit Count | 1.0 Count |
| Valve Type | Float Valve |

## Product Details

- **Brand:** Fluidmaster
- **Exterior Finish:** Plastic
- **Global Trade Identification Number:** 00039961371348
- **Inlet Connection Size:** 0.75 Inches
- **Inlet Connection Type:** Barb
- **Item dimensions L x W x H:** 2.38 x 2.38 x 8.38 inches
- **Manufacturer:** Fluidmaster
- **Material:** Plastic
- **Outlet Connection Size:** 0.75 Inches
- **Outlet Connection Type:** Barb

## Images

![Fluidmaster 703AP4 Specialty Toilet Fill Valve for Glacier Bay and Niagara Conservation Flapperless Toilets - Image 1](https://m.media-amazon.com/images/I/51eM164OUBL.jpg)
![Fluidmaster 703AP4 Specialty Toilet Fill Valve for Glacier Bay and Niagara Conservation Flapperless Toilets - Image 2](https://m.media-amazon.com/images/I/41B3YW9nYRL.jpg)
![Fluidmaster 703AP4 Specialty Toilet Fill Valve for Glacier Bay and Niagara Conservation Flapperless Toilets - Image 3](https://m.media-amazon.com/images/I/61-JNH4SbzL.jpg)
![Fluidmaster 703AP4 Specialty Toilet Fill Valve for Glacier Bay and Niagara Conservation Flapperless Toilets - Image 4](https://m.media-amazon.com/images/I/71MTqPmDM6L.jpg)
![Fluidmaster 703AP4 Specialty Toilet Fill Valve for Glacier Bay and Niagara Conservation Flapperless Toilets - Image 5](https://m.media-amazon.com/images/I/713+7Q4Vc1L.jpg)

## Available Options

This product comes in different **Pattern, Color, Size** options.

## Questions & Answers

**Q: Can you buy just the tiny flow regulator ?**
A: Thank you for your question concerning the 703AP4 Flow Regulator. Fluidmaster does not sell the Flow Regulator.  For additional questions on any Fluidmaster product please contact us at your earliest convenience. Fluidmaster’s Technical Service Department is available Monday through Friday from 5:30 AM through 5:00 PM Pacific Standard Time. Contact options include: Chat www.fluidmaster.com/support E-Mail techsupport@fluidmaster.com and Toll Free 800-631-2011.

**Q: Trying to find a cleaning solution to put in this specialty tank should I just try some drop in tablets will they just fall out of the bucket when I f**
A: don't drop nothing in the tank or bucket if its not secure it will drop to the bottom of the tank and reduce the flow of water falling ,

**Q: will this replace fluidmaster 703a5b?**
A: WILL 703AP4 REPLACE 703A5B

**Q: How do you take the  plastic bowl out of your tank**
A: Please contact Niagara for help with your question. Their toll free number is 800-831-8383.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by B***M on August 6, 2025*



### ⭐⭐⭐⭐⭐ Review
*by H***T on September 8, 2025*



### ⭐⭐⭐⭐⭐ Review
*by C***R on March 26, 2026*



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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-05-20*