---
product_id: 444782776
title: "- 400H-5003 Performax Universal Toilet Fill Valve with Tank and Bowl Water Control 2-Pack, Blue"
brand: "fluidmaster"
price: "$122.96"
currency: USD
in_stock: true
category: "Fluidmaster"
url: https://www.desertcart.us/products/444782776-400h-5003-performax-universal-toilet-fill-valve-with-tank-bowl
store_origin: US
region: United States of America
---

# Tank & bowl water level control EZ-Twist height adjust 9-14 in. 2X faster refill rate - 400H-5003 Performax Universal Toilet Fill Valve with Tank and Bowl Water Control 2-Pack, Blue

**Brand:** fluidmaster
**Price:** $122.96
**Availability:** ✅ In Stock

## Summary

> 🚽 Upgrade your flush game with the quiet power of Performax!

## Quick Answers

- **What is this?** - 400H-5003 Performax Universal Toilet Fill Valve with Tank and Bowl Water Control 2-Pack, Blue by fluidmaster
- **How much does it cost?** $122.96 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/444782776-400h-5003-performax-universal-toilet-fill-valve-with-tank-bowl)

## 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

- • **Double the Flush Power 🚿:** Experience 2X greater bowl refill speed for a powerful, efficient flush that saves time and water.
- • **Tailored Water Savings 💧:** Adjust tank and bowl water levels easily to optimize water use without sacrificing flush performance.
- • **Custom Fit, Zero Hassle 🔧:** EZ-Twist height adjustment from 9 to 14 inches ensures a perfect universal fit for most toilet tanks.
- • **Whisper-Quiet Operation 🤫:** Enjoy the quietest fill valve on the market—no more annoying running or trickling sounds disrupting your space.
- • **Built to Last with Confidence 🛠️:** Backed by a 7-year warranty and code-approved anti-siphon design for reliable, contamination-free water supply.

## Overview

The Fluidmaster 400H-5003 Performax Universal Toilet Fill Valve 2-Pack delivers industry-leading 2X faster refill rates with ultra-quiet operation. Featuring EZ-Twist height adjustment (9-14 in.) and customizable tank and bowl water level dials, it fits most toilet models for a perfect, water-saving flush. Easy to install with included instructions and backed by a 7-year warranty, this valve ensures reliable, efficient performance and a quieter bathroom experience.

## Description

The Fluidmaster 400H-5003 PerforMAX High Performance Universal Toilet Fill Valve offers the best in toilet fill valve replacement. This fill valve sets the performance standard and features new upgrades for even more water-savings, and faster installation. The most powerful fill valve in the market, generating 2X greater refill rates than standard designs, with ultra-quiet operation. Installation is simple, with a pre-installed shank washer, and new step-by-step pamphlet instructions for the fastest and easiest repair possible. A universal toilet fill valve this design fits most brands. Featuring EZ-twist shank height adjustment from 9 in. to 14 in. to fit more tanks. Best for use in 1.28 HET and 1.6 GPF toilets, but can also be used with pre-1994 3.5 GPF toilets. Designed to save-water with adjustable tank water level, and bowl water level dials that are easy to use. Customize your water use per flush depending on your needs, or toilet model. The PerforMAX Fill Valve is a code approved, anti-siphon design that won't contaminate the fresh water supply. Including a fill valve, washer, locknut, tube and clip for everything needed to replace your toilet fill valve.

## Features

- Fix noisy, or slow filling fill valves with the quietest, most powerful toilet fill valve 2-pack available
- Easy to install, step-by-step instructions included
- Universal fit for most toilet models and brands
- Tank and Bowl water level adjustment dials to customize the perfect flush and save
- 2X greater bowl refill for a more powerful flush than standard designs; EZ-Twist height adjusts from 9 in. to 14 in. to fit more tanks; 7 year warranty

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09PCXSQJM |
| Best Sellers Rank | #96 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1 in Toilet Flush Valves |
| Brand Name | Fluidmaster |
| Connector Type | Threaded |
| Customer Reviews | 4.6 4.6 out of 5 stars (17,321) |
| Exterior Finish | Plastic |
| Global Trade Identification Number | 00039961033437 |
| Included Components | Toilet Fill Valves |
| Inlet Connection Size | 3.38 Inches |
| Inlet Connection Type | Fill |
| Item Dimensions | 14.25 x 3.38 x 6.88 inches |
| Item Type Name | High Performance Tank and Bowl Water Control |
| Item Weight | 1.4 Pounds |
| Manufacturer | Fluidmaster |
| Manufacturer Part Number | 400H-5003 |
| Manufacturer Warranty Description | 7 year limited |
| Material Type | Plastic |
| Model Number | 400H-5003 |
| Number of Pieces | 2 |
| Outlet Connection Size | 3.38 Inches |
| Outlet Connection Type | PEX |
| Set Name | 2-Pack |
| Size | 2- Pack |
| Specification Met | ASSE, FM, UPC |
| Thread Size | 1/4 inch |
| Thread Type | Twist |
| UPC | 039961033437 |
| Unit Count | 2.0 Count |
| Valve Type | Toilet Fill Valve |

## Product Details

- **Brand:** Fluidmaster
- **Exterior Finish:** Plastic
- **Global Trade Identification Number:** 00039961033437
- **Inlet Connection Size:** 3.38 Inches
- **Inlet Connection Type:** Fill
- **Item dimensions L x W x H:** 14.25 x 3.38 x 6.88 inches
- **Material:** Plastic
- **Outlet Connection Size:** 3.38 Inches
- **Outlet Connection Type:** PEX
- **Specification Met:** ASSE, FM, UPC

## Images

![- 400H-5003 Performax Universal Toilet Fill Valve with Tank and Bowl Water Control 2-Pack, Blue - Image 1](https://m.media-amazon.com/images/I/71QcQZAm2mL.jpg)

## Available Options

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

## Questions & Answers

**Q: What is the difference between the 400H and 400AH?**
A: The 400H is the newer version of the 400AH. The bowl water adjustment on the 400H is integrated into a knob in at the top of the flush valve. On the 400AH, a roller on the refill tube adjusts the bowl water level.

**Q: Can i use this to replace a delta toilet fill valvepart RP71188?**
A: The 400H-002 will replace the Delta model. The 400H can adjust to the same height and comes with an adjustable bowl refill knob to control the amount of water going to bowl. With this adjustment you should be able to match both bowl and tank water levels to the original levels. For more information, please contact Fluidmaster’s Technical Service Department, we are 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: Will this work to replace my 300 model on gerber 28-990 1.6gpf?**
A: Yes it will.  For any other question feel free to contact Fluidmaster via Chat and E-mail on Fluidmaster com or call our toll free number 800-631-2011 for immediate help. We are available from 5:30 AM to 5:00 PM Pacific Standard Time.

**Q: Are these universal or can I replace this on my top flush toilet?**
A: This fill valve is a universal part that will replace most fill valves in use today, including toilets that use a top button to flush. For more information visit our website Fluidmaster.com/support for videos, troubleshooting tips, email, chat with a technician or call toll free 800-631-2011. We are available 5 days a week Mon-Fri from 5:30 am – 5:00 pm PST.

## Frequently Bought Together

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-22*