---
product_id: 444782776
title: "Fluidmaster 400H-5003 Performax Universal Toilet Fill Valve with Tank and Bowl Water Control 2-Pack, Blue"
brand: "fluidmaster"
price: "€ 49.40"
currency: EUR
in_stock: true
reviews_count: 13
category: "Fluidmaster"
url: https://www.desertcart.ie/products/444782776-fluidmaster-400h-5003-performax-universal-toilet-fill-valve-with-tank
store_origin: IE
region: Ireland
---

# Ultra-quiet operation EZ-Twist height adjust 9-14 in. 2X faster bowl refill Fluidmaster 400H-5003 Performax Universal Toilet Fill Valve with Tank and Bowl Water Control 2-Pack, Blue

**Brand:** fluidmaster
**Price:** € 49.40
**Availability:** ✅ In Stock

## Summary

> 🚽 Upgrade your flush game with Fluidmaster’s powerhouse performance!

## Quick Answers

- **What is this?** Fluidmaster 400H-5003 Performax Universal Toilet Fill Valve with Tank and Bowl Water Control 2-Pack, Blue by fluidmaster
- **How much does it cost?** € 49.40 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/444782776-fluidmaster-400h-5003-performax-universal-toilet-fill-valve-with-tank)

## 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 for a turbocharged flush that leaves no room for hesitation.
- • **Tailored Water Savings:** Adjust tank and bowl water levels easily to optimize water use without sacrificing flush power.
- • **Custom Fit, Zero Hassle:** EZ-Twist height adjustment from 9 to 14 inches ensures a perfect fit for nearly every toilet tank.
- • **Whisper-Quiet Performance:** Say goodbye to noisy fills with the quietest fill valve on the market—peaceful mornings guaranteed.
- • **Built to Last with Confidence:** Backed by a 7-year warranty, this durable valve is your long-term solution to toilet troubles.

## Overview

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

## 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.

Review: Super easy to install! - I replaced my old toilet fill valve with this Fluidmaster part, and it was so easy to install — only took about 10 minutes. It works perfectly, fills quietly, and no leaks so far. Feels really sturdy, too. Highly recommend if you just want a simple, reliable replacement!
Review: Great price and great functionality. - So far this has fixed my water running problem. It was easy to install, easy to adjust and it’s very quiet while operating. These are the only products I use to repair toilets. I have gotten a couple that didn’t stop the water running issue but that’s few and far between and they have been replaced without issues. It just sucks to have to do all that work over again. I still recommend these for their price and longevity.

## 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 |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #98 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1 in Toilet Flush Valves |
| Brand | Fluidmaster |
| Color | Blue |
| Customer Reviews | 4.6 4.6 out of 5 stars (16,691) |
| Date First Available | December 29, 2021 |
| Global Trade Identification Number | 00039961033437 |
| Included Components | Toilet Fill Valves |
| Inlet Connection Type | Fill |
| Item Package Quantity | 1 |
| Item Weight | 1.4 pounds |
| Item dimensions L x W x H | 14.25 x 3.38 x 6.88 inches |
| Item model number | 400H-5003 |
| Manufacturer | Fluidmaster |
| Material | Plastic |
| Number Of Pieces | 2 |
| Outlet Connection Size | 3.38 Inches |
| Outlet Connection Type | PEX |
| Part Number | 400H-5003 |
| Pattern | Control |
| Product Dimensions | 14.25 x 3.38 x 6.88 inches |
| Size | 2- Pack |
| Specification Met | ASSE, FM, UPC |
| Style | 2-Pack |
| UPC | 039961033437 |
| Usage | Amateur, Professional |
| Warranty Description | 7 year limited |

## Product Details

- **Brand:** Fluidmaster
- **Global Trade Identification Number:** 00039961033437
- **Inlet Connection Type:** Fill
- **Item dimensions L x W x H:** 14.25 x 3.38 x 6.88 inches
- **Manufacturer:** Fluidmaster
- **Material:** Plastic
- **Outlet Connection Size:** 3.38 Inches
- **Outlet Connection Type:** PEX
- **Specification Met:** ASSE, FM, UPC
- **UPC:** 039961033437

## Images

![Fluidmaster 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.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Super easy to install!
*by J***E on January 4, 2026*

I replaced my old toilet fill valve with this Fluidmaster part, and it was so easy to install — only took about 10 minutes. It works perfectly, fills quietly, and no leaks so far. Feels really sturdy, too. Highly recommend if you just want a simple, reliable replacement!

### ⭐⭐⭐⭐⭐ Great price and great functionality.
*by B***R on February 4, 2026*

So far this has fixed my water running problem. It was easy to install, easy to adjust and it’s very quiet while operating. These are the only products I use to repair toilets. I have gotten a couple that didn’t stop the water running issue but that’s few and far between and they have been replaced without issues. It just sucks to have to do all that work over again. I still recommend these for their price and longevity.

### ⭐⭐⭐⭐⭐ God Is Good—Fixed My Running Toilet in 15 Minutes!
*by Y***A on January 30, 2026*

God is so good! 🙌 This product and this company are absolutely awesome. I’ll be honest—it only took me about 15 minutes to replace my toilet fill valve. I had the part for a while but kept putting it off. I was so tired of the toilet running nonstop and constantly having to take the lid off to adjust it. Finally, I said, “That’s it—I’m fixing this today.” I even got instructions from ChatGPT beforehand, but honestly, I didn’t need them because the instruction booklet included with this product is excellent—clear, simple, and very easy to follow. I did run into one small challenge: the rubber hose in my toilet is permanently attached to the main nozzle and wouldn’t come off. I called the company for guidance, and their tech support was incredibly friendly and helpful. He told me to take the hose off of their toilet fill valve and just connect it to the nozzle in my toilet. I told him that I had been trying to do that, but it wouldn’t come off. So he told me to place their hose in hot water, and it came right off—problem solved! I was then able to install everything with no issues. Why pay $200 for a plumber when you can do it yourself? This cost me around $15, took about 15 minutes, and works perfectly. I’m so happy with this purchase and truly impressed with both the product and the customer service. Highly recommend!

## Frequently Bought Together

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-01*