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Fluidmaster 400A Anti-Siphon Universal Toilet Tank Fill Valve,Black
Fluidmaster 400A Universal Toilet Fill Valve is the #1 best-selling fill valve in the world!
Fluidmaster 400A Anti-Siphon Universal Toilet Tank Fill Valve,Black
Item #: 28885212

Fluidmaster 400A Anti-Siphon Universal Toilet Tank Fill Valve,Black

Item #: 28885212

USD 27

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Fluidmaster 400A Universal Toilet Fill Valve is the #1 best-selling fill valve in the world!
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What Stands Out

Anti-Siphon Design
Prevents contamination of drinking water by blocking backflow, ensuring safe and clean water replenishment with each flush.
Universal Fit
Compatible with most toilet models, making it a versatile choice for easy and quick installation without the need for specialized tools.
Durable Construction
Built with high-quality materials to ensure longevity and resistance to corrosion, providing reliable performance for years without frequent replacements.

Product Details

Shop for Fluidmaster 400A Toilet Tank Repair Fill Valve at Ubuy Zimbabwe. Adjustable, fits all brands. Quick refill rates. Durable materials. 5-year warranty. Get the #1 best-selling fill valve in the world!
  • Made in Mexico
  • Adjustable from 9 to 14 inches to fit most toilets
  • Durable materials for long-lasting performance
  • Easy to install and fits all brands
  • 5-year warranty
  • Code approved, anti-siphon design to prevent contamination of fresh water supply

Who Should Buy?

Suitable For
  • DIY Homeowners

    Ideal for homeowners who prefer to tackle plumbing tasks on their own, ensuring proper toilet functionality.

  • Budget-Conscious Users

    Affordable option for those looking for a reliable fill valve without breaking the bank.

  • Standard Toilets

    Designed to fit most toilet tanks, making it suitable for various standard models in residential use.

Not Suitable For
  • Older Toilet Models

    Not suitable for very old toilets that may require specialized fill valves or parts.

Product Description

Fluidmaster 400A Anti-Siphon Universal Toilet Tank Fill Valve,Black

About This Item

Introducing the Fluidmaster 400A Toilet Tank Repair Fill Valve - the ultimate solution to all your toilet repair needs. This top-of-the-line toilet fill valve is specifically designed to provide a hassle-free and efficient repair for your toilet tank. Are you tired of dealing with constant water leakage or a slow-filling toilet tank? Look no further, as the Fluidmaster 400A Toilet Tank Repair Fill Valve is here to solve all your problems. With its reliable performance and superior quality, this fill valve ensures that your toilet tank is always in perfect working condition. Designed with convenience in mind, the Fluidmaster 400A Toilet Tank Repair Fill Valve is easy to install, making it suitable for both DIY enthusiasts and professional plumbers.

Say goodbye to complicated installation processes that take up your precious time and energy. With this fill valve, you can have your toilet up and running in no time. Not only does the Fluidmaster 400A Toilet Tank Repair Fill Valve save you from the hassle of constant repairs, but it also helps you save water and reduce your utility bills. Its efficient design allows for quick tank refilling, minimizing water waste.

With this fill valve, you can contribute to a more sustainable environment while enjoying a fully functional toilet. Whether you need to replace a faulty fill valve or upgrade your existing one, the Fluidmaster 400A Toilet Tank Repair Fill Valve is the perfect choice. Its compatibility with most toilet models ensures a seamless fit, eliminating any compatibility concerns. Don't let a malfunctioning toilet disrupt your daily life any longer. Upgrade to the Fluidmaster 400A Toilet Tank Repair Fill Valve and experience the difference it makes in your bathroom.

Order yours today and restore the functionality of your toilet with this reliable and high-performance fill valve.

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Customer Questions & Answers

  • Question: What is the Fluidmaster 400A Anti-Siphon Universal Toilet Tank Fill Valve?

    Answer: The Fluidmaster 400A is a universal toilet tank fill valve designed to refill your toilet tank after flushing. It features an anti-siphon design that prevents backflow, ensuring that your water supply remains clean and uncontaminated. This fill valve is compatible with most toilet models and is an ideal replacement solution for older or malfunctioning fill valves. It's perfect for scenarios where you might be experiencing low water levels in the tank or water leaking into the bowl, as it efficiently regulates the flow of water.
  • Question: How do I install the Fluidmaster 400A fill valve?

    Answer: Installing the Fluidmaster 400A fill valve is a straightforward process. First, you need to turn off the water supply to your toilet. Then, remove the existing valve and attach the new fill valve according to the included instructions, adjusting the height as needed for your toilet tank. Ensure all connections are secure before restoring the water supply. This product is designed with user-friendliness in mind, making it suitable for DIY enthusiasts who want to enhance their toilet's functionality.
  • Question: What are the benefits of the anti-siphon feature?

    Answer: The anti-siphon feature is crucial for maintaining water safety, as it prevents contaminated water from siphoning back into the clean water supply. This is especially important in plumbing systems where cross-connections might occur. With the Fluidmaster 400A, you can trust that your drinking water remains safe while using your toilet. Many users appreciate this feature for its role in protecting household health, particularly in homes with multiple plumbing systems interlinked.
  • Question: Can the Fluidmaster 400A be used with low-flow toilets?

    Answer: Yes, the Fluidmaster 400A is suitable for both standard and low-flow toilets. Its adjustable fill height allows it to accommodate various tank sizes and configurations. For low-flow toilets specifically, this valve helps ensure a sufficient and consistent fill rate, which is essential for proper flushing performance. Many customers have found that switching to this fill valve significantly improves water efficiency without sacrificing toilet performance.
  • Question: What materials is the Fluidmaster 400A made of?

    Answer: The Fluidmaster 400A is constructed from durable plastic and metal components, ensuring longevity and performance. The materials used are resistant to corrosion, which is vital in damp environments like toilets. This makes the valve a resilient choice, especially compared to older models made from less durable materials. Users often highlight that the quality construction leads to fewer replacements over time, ultimately making it a cost-effective solution.
  • Question: Will this fill valve work with all toilet brands?

    Answer: While the Fluidmaster 400A is designed as a universal fit, it is compatible with most toilet brands available on the market. It effectively replaces standard fill valves found in many models, making it a versatile choice for homeowners. However, for unique or older toilet designs, it’s advisable to check compatibility specifications or look for specific design tweaks that may be required during installation to ensure optimal performance.
  • Question: What should I do if my toilet continues to run after installing the Fluidmaster 400A?

    Answer: If your toilet continues to run after the installation of the Fluidmaster 400A, it may be due to improper adjustment of the fill height or float mechanism. Begin by ensuring the float is set correctly to trigger the shut-off valve at the appropriate water level. If adjustments do not work, check for any possible leaks or obstructions in the system that could be affecting the valve’s function. Many users find success by simply recalibrating the float system to prevent water wastage.
  • Question: How can I maintain the Fluidmaster 400A fill valve?

    Answer: Maintenance for the Fluidmaster 400A is quite simple and infrequent. Periodic checks of the valve for leaks or signs of wear can help identify issues before they become serious. It’s also beneficial to clean any mineral deposits that may accumulate, especially in hard water conditions, to ensure smooth operation. By keeping these basic maintenance tips in mind, you’ll help extend the lifespan of the valve and enjoy efficient toilet operation for years.
  • Question: What features distinguish the Fluidmaster 400A from other fill valves?

    Answer: The Fluidmaster 400A stands out due to its superior anti-siphon design, reliability, and versatility. Unlike many fill valves, it offers a universal fit and is made from high-quality materials that resist corrosion. This fill valve also includes an adjustable height feature, which is particularly useful in accommodating various toilet models. Users appreciate these characteristics for enhancing toilet performance and water conservation compared to standard fill valve alternatives.
  • Question: Where can I buy the Fluidmaster 400A Anti-Siphon Universal Toilet Tank Fill Valve in Zimbabwe?

    Answer: You can purchase the Fluidmaster 400A Anti-Siphon Universal Toilet Tank Fill Valve at Ubuy. They offer a variety of plumbing products, ensuring you can find the right fill valve to suit your needs. Ubuy provides a convenient shopping experience with efficient searching capabilities, making it easy to compare products, read reviews, and make informed purchasing decisions.

Fluidmaster Toilet Replacement Parts Editorial Review

The Fluidmaster 400A Toilet Tank Repair Fill Valve is a highly rated product that is easy to install and adjust. Customers have praised its performance and convenience. Some users have experienced minor leaks, but overall the product has been well received. The only downside is the poor packaging of the product, which has caused damage in some cases. However, customer service has been excellent in handling these issues.

Customer Reviews & Ratings

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Pros

  • Easy to install
  • Works perfectly
  • Convenient

Cons

  • Poor packaging

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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

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23 July 2026 · via Trustpilot
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  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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