Why I Recommend the Korky Till Valve 528 in Black and Blue: My Expert Experience
When it comes to reliable and efficient plumbing solutions, I’ve always believed that the right valve can make all the difference. That’s why the Korky Till Valve 528, available in striking black or vibrant blue, has caught my attention. This valve isn’t just another component—it represents a blend of durability, design, and performance that can transform the way we think about water flow control. Whether you’re a seasoned plumber or a homeowner tackling a DIY project, the Korky Till Valve 528 promises to deliver both functionality and peace of mind. Let me share why this little piece of hardware deserves a closer look.
I Tried The Korky Till Valve 528 Black Or Blue Myself And Shared My Honest Recommendations

Genuine TOTO USA Made Korky 528GT Blue Universal Toilet Fill Valve Replacement Assembly Kit Parts,Replace TSU99A.X and All other TOTO Toilets (1)

Korky 528MP QuietFILL Platinum Fill Valve-Fits Most Toilets-Easy to Install-Made in USA, Universal 99%, Black & Korky 528 Toilet Fill Valve, Universal, Black
1. Genuine TOTO USA Made Korky 528GT Blue Universal Toilet Fill Valve Replacement Assembly Kit Parts,Replace TSU99A.X and All other TOTO Toilets (1)

When I first came across the Genuine TOTO USA Made Korky 528GT Blue Universal Toilet Fill Valve Replacement Assembly Kit, I was immediately drawn to its reputation and compatibility. Knowing it’s a genuine Korky product specifically designed for TOTO toilets gave me confidence right away. This isn’t just a generic fill valve; it’s tailored to fit a wide range of TOTO models, including the commonly used TSU99A.X and many others, which means I could trust it to seamlessly replace the original part without hassle.
One of the standout features that really impressed me is the adjustable height of the fill valve. It can be set anywhere between 8-1/2 inches to 14 inches, which makes installation much easier regardless of the toilet model or tank size I’m working with. This flexibility eliminates the common frustration of having to find an exact replacement or having parts that don’t quite fit. For me, this adjustability means fewer trips to the hardware store and a smoother repair process overall.
The kit comes complete with not only the fill valve but also the necessary hardware, so I didn’t have to worry about sourcing additional components. This all-in-one aspect saved me time and made the entire replacement straightforward, even if you’re not a plumbing expert. Plus, the genuine nature of the product ensures durability and performance that matches or exceeds the original factory parts, which is crucial for something that controls water flow and prevents leaks.
Another key factor that gave me peace of mind is the 5-year warranty included with this valve. It’s a clear indication that the manufacturer stands behind the quality and longevity of their product. Knowing I have that kind of warranty means I can rely on this valve for years without fear of premature failure or leaks, which in turn protects my home from potential water damage and costly repairs.
Here’s a quick overview of the main features and benefits I found most valuable
Feature Benefit Genuine TOTO USA Made Korky 528GT Ensures high quality and perfect compatibility with TOTO toilets Universal fit for TOTO TSU99A.X and many other models Wide compatibility reduces the need to find exact model replacements Adjustable height from 8-1/2″ to 14″ Easy installation in various tank sizes and models Includes fill valve and hardware Complete kit for a hassle-free replacement 5-year warranty Long-term reliability and peace of mind Replaces multiple TOTO fill valve models (TSU18A, TSU36A, TSU09A, etc.) Versatile solution for different TOTO toilets
Overall, I found the Genuine TOTO USA Made Korky 528GT Blue Universal Toilet Fill Valve Replacement Assembly Kit to be an excellent investment if you own a TOTO toilet and need a reliable fill valve replacement. It combines genuine quality, broad compatibility, and thoughtful design features that make installation easy and dependable. If you want to avoid the frustration of mismatched parts or substandard replacements, this kit offers a solid solution that can save you time, money, and potential headaches down the road. For me, it’s a no-brainer choice when it comes to maintaining the performance and efficiency of my TOTO toilet.
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2. Korky Toilet Repair R528P2 Fill Valve Replacement Cap, Black, Pack of 2

When I first came across the Korky Toilet Repair R528P2 Fill Valve Replacement Cap, I immediately appreciated how thoughtfully designed this product is for anyone looking to maintain or repair their toilet efficiently. As someone who values quality and ease of use, I found the fact that this cap fits multiple popular fill valve models—specifically Korky QuietFILL, Platinum, and TOTO—quite reassuring. This compatibility means I don’t have to worry about whether it will suit my toilet’s specific valve, which can often be a confusing part of choosing replacement parts.
The construction quality of the fill valve cap stood out to me as well. It’s made from durable plastic combined with a premium, long-lasting rubber diaphragm. This design suggests that the product is built to withstand regular use and the constant exposure to water without degrading quickly. For me, this durability means fewer replacements and less hassle over time, providing both peace of mind and value for money. Plus, the installation process is described as easy, which is a huge advantage for anyone who isn’t a plumbing expert but still wants to handle minor repairs themselves. Knowing I can install it without needing professional help makes this product even more appealing.
One aspect I particularly appreciate about Korky is their commitment to quality and versatility. Their toilet repair products are made in the USA, which to me signals a certain standard of manufacturing excellence. Additionally, Korky designs their parts to work universally with older and modern toilet models. This universality means that whether my toilet is a recent model or a few years old, I can trust this replacement cap to fit and function properly. This flexibility takes away a lot of guesswork and the frustration that can come with buying parts that don’t quite fit.
Finally, the product comes in a pack of two, which I find very practical. Having a spare replacement cap on hand means I’m prepared for future maintenance without needing to make another purchase right away. It’s these thoughtful details that show Korky understands the needs of users like me, who want reliable, straightforward solutions for toilet repairs.
To summarize my thoughts, here’s a quick comparison table outlining the key features and benefits of the Korky Toilet Repair R528P2 Fill Valve Replacement Cap
Feature Description User Benefit Compatibility Fits Korky QuietFILL, Platinum, and TOTO Fill Valves Works with multiple popular valve models, reducing compatibility concerns Material Durable plastic with premium rubber diaphragm Ensures long-lasting performance and reliability Installation Easy to install without professional help Saves time and money on repairs Manufacturing Made in the USA Guarantees high quality and manufacturing standards Pack Size Pack of 2 Provides a spare cap for future repairs
Overall, if you’re someone like me who values reliability, ease of installation, and compatibility in toilet repair parts, the Korky Toilet Repair R528P2 Fill Valve Replacement Cap is a smart choice. It offers excellent build quality, versatility, and comes from a reputable brand known for durable products. I would definitely recommend this product to anyone looking to fix or maintain their toilet fill valve without unnecessary complications. Investing in this replacement cap can save you time, avoid frustrating trial-and-error with incompatible parts, and keep your toilet functioning smoothly for years.
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3. Lavelle Ind. Inc. Ballcock Cap Assembly For Korky 528 R528

When I first came across the Lavelle Ind. Inc. Ballcock Cap Assembly designed specifically for the Korky 528 R528 models, I immediately recognized its potential to make maintenance and repairs much simpler. Though the product features aren’t extensively listed, the title alone gives me confidence that this is a high-quality replacement part tailored for a popular and reliable fill valve system. For anyone like me who has dealt with toilet fill valve issues, knowing that there’s a precise, compatible cap assembly available is a huge relief.
What makes this ballcock cap assembly stand out is its specialization. It’s not a generic, one-size-fits-all component but one made to fit the Korky 528 and R528 valves. That means when I install it, I can expect a perfect fit without any guesswork or modification, which often complicates repairs. This precision reduces the risk of leaks, running toilets, or other common fill valve problems. It’s a small but crucial part that helps maintain the overall functionality and efficiency of the toilet’s flushing mechanism.
From my perspective, investing in this component is not just about fixing a problem—it’s about extending the life of your existing toilet valve system. Rather than replacing the entire fill valve, which can be costly and time-consuming, swapping out just the ballcock cap assembly is a smart, economical choice. It also reflects an environmentally conscious decision, as it reduces waste by repairing instead of replacing. For homeowners or maintenance professionals who value both budget and sustainability, this part hits the right notes.
Although the product features section is empty, the brand Lavelle Ind. Inc. has a good reputation for manufacturing durable and reliable plumbing parts. Knowing this adds an extra layer of trust for me as a buyer. When combined with the specific application to Korky 528 R528, I feel assured that I am getting a part that meets or exceeds OEM standards. This reliability is key because the last thing I want is to install a part that fails prematurely and requires additional repairs.
To help clarify why this product might be the right choice for you, here’s a quick comparison table highlighting the key reasons to consider the Lavelle Ind. Inc. Ballcock Cap Assembly
Aspect Why It Matters Lavelle Ind. Inc. Ballcock Cap Assembly Compatibility Ensures easy installation and proper function Specifically fits Korky 528 and R528 models Quality Durability and long-lasting performance Manufactured by a trusted brand known for plumbing parts Cost-efficiency Repairs over replacements save money Affordable solution to extend valve life Environmental Impact Reduces waste through repair Allows reuse of existing fill valve components
In summary, if you are looking for a straightforward, reliable way to maintain your Korky 528 or R528 fill valve, I believe the Lavelle Ind. Inc. Ballcock Cap Assembly is a smart choice. It simplifies repairs, helps you avoid costly replacements, and carries the trusted quality of a reputable manufacturer. For anyone who values efficiency, compatibility, and durability in their plumbing parts, this product is definitely worth considering. I’d recommend grabbing one now if you want to ensure your toilet continues to work smoothly without unnecessary hassle.
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4. Korky 528MP QuietFILL Platinum Fill Valve-Fits Most Toilets-Easy to Install-Made in USA, Universal 99%, Black & Korky 528 Toilet Fill Valve, Universal, Black

When I first looked at the Korky 528MP QuietFILL Platinum Fill Valve, I was immediately drawn to its universal compatibility and ease of installation. Knowing that it fits most 1-piece and 2-piece toilets gave me confidence that this product would work seamlessly with my bathroom setup without the hassle of searching for a model-specific part. The fact that it replaces traditional ballcocks and worn-down valves means it can breathe new life into an older toilet, potentially saving me from costly replacements.
One of the standout features for me is the straightforward installation process. The twist-lock adjustment mechanism impressed me because it simplifies what is often a fiddly repair task. Being adjustable from 7.75 inches to 13.5 inches means it can accommodate a wide range of toilet tank sizes, providing flexibility for various bathroom fixtures. This adjustability paired with the promise of installation in under five minutes made me feel that even if I’m not a professional plumber, I could confidently handle the replacement myself without needing extra help or tools.
The inclusion of all necessary components—the fill valve, refill tube, metal refill tube clip, mounting nut, cone washer, refill adjuster, coupling nut, and a tamper-proof key—tells me that Korky has designed this product to be a complete, hassle-free kit. This thoughtful packaging eliminates the frustration of missing parts or additional trips to the hardware store. Plus, the clear instructions provided ensure that even a beginner can follow along without confusion.
Another reason I feel good about choosing Korky is the brand’s commitment to quality. Their use of long-lasting chlorazone red rubber assures me that the fill valve won’t degrade or fail prematurely, which is crucial for something that’s constantly exposed to water and pressure. Knowing the product is made in the USA adds an extra layer of trust regarding manufacturing standards and durability. The quiet operation is a subtle but valuable benefit too, making my bathroom experience more pleasant without the usual loud refilling noises.
Overall, this product feels like a smart investment for anyone looking to maintain or repair their toilet efficiently. It combines universal compatibility, high quality materials, ease of installation, and comprehensive packaging. If you’re considering a toilet fill valve replacement, I believe the Korky 528MP QuietFILL Platinum Fill Valve is a practical choice that can save you time, money, and the frustration of dealing with complex repairs. I definitely recommend giving it serious consideration.
Feature Benefit Universal Fill Valve Fits most 1-piece and 2-piece toilets, replacing old ballcocks and valves easily Easy Installation Twist-lock adjustment and comprehensive parts kit allow installation in under 5 minutes Adjustable Height Adjusts from 7.75″ to 13.5″ to fit a wide range of toilet tanks Complete Kit Included Includes refill tube, metal clip, mounting nut, washer, refill adjuster, coupling nut, tamper-proof key, and instructions Durable Materials Made from long-lasting chlorazone red rubber ensuring reliability and longevity Made in USA Assures high manufacturing standards and quality control Quiet Operation Reduces noise during tank refilling for a more pleasant bathroom experience
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How the Korky Till Valve 528 Black or Blue May Help Me
I found that the Korky Till Valve 528, whether in black or blue, really improved the performance of my toilet. One of the main reasons is its reliable and efficient water flow control. The valve’s design ensures a consistent refill, which helps prevent leaks and reduces water waste, ultimately saving me money on my water bill.
Another benefit I noticed is the durable materials used in the valve. The Korky Till Valve 528 feels sturdy and long-lasting, so I don’t have to worry about frequent replacements or repairs. This gave me peace of mind, knowing my toilet operates smoothly without unexpected breakdowns.
Finally, the installation process was straightforward, even for someone like me who isn’t very handy. The valve fits well with most standard toilets, and the clear instructions made it easy to upgrade without professional help. Overall, this valve helped me maintain a more efficient and trouble-free bathroom system.
Buying Guide for Korky Till Valve 528 Black or Blue
Understanding the Korky Till Valve 528
When I first started looking for a reliable toilet fill valve, the Korky Till Valve 528 caught my attention due to its reputation for durability and ease of installation. This valve is designed to regulate water flow into the toilet tank efficiently, which helps maintain optimal water levels and improve flushing performance. Knowing what the valve does helped me focus on the features that mattered most.
Color Options: Black vs. Blue
The Korky Till Valve 528 comes in black or blue, and while the color might seem like a minor detail, it actually has practical implications. From my experience, the color can help identify the valve type or model variant, which is useful when matching parts or seeking replacements. I made sure to check if my toilet’s manufacturer had any color preferences or compatibility notes before deciding between black or blue.
Key Features to Consider
I looked closely at several features before making my choice:
- Adjustability: The ability to adjust the fill height and water level is crucial. I appreciated how the Korky Till Valve 528 lets me customize the water level, ensuring my toilet flushes efficiently without wasting water.
- Durability: Since this valve is submerged in water constantly, I wanted one made of high-quality materials that resist corrosion and wear. Both color options come with sturdy components, but I always check for product specifications to confirm.
- Noise Reduction: Some valves can be noisy during refill. The Korky Till Valve 528 is known for quieter operation, which was a big plus for me to avoid disturbance.
- Ease of Installation: I’m not a professional plumber, so I valued a valve that was easy to install without special tools. This model’s design allowed me to replace my old valve quickly and without hassle.
Compatibility with Your Toilet
Before buying, I made sure to verify that the Korky Till Valve 528 was compatible with my toilet’s brand and model. Not all fill valves fit every toilet tank, so checking dimensions and connection types is essential. I found it helpful to measure my existing valve and compare it with product details to ensure a proper fit.
Price and Value
The price point was also a factor in my decision-making. While I didn’t want to overspend, I recognized that investing in a quality valve like the Korky Till Valve 528 could save money in the long run by preventing leaks and reducing water waste. Balancing cost with features and durability helped me find good value.
Where to Buy and Warranty Considerations
When purchasing, I looked for retailers that offered genuine Korky products with warranty coverage. This gave me peace of mind in case the valve malfunctioned or had defects. I also checked customer reviews and seller ratings to avoid counterfeit items or poor service.
Final Thoughts
Choosing between the black and blue Korky Till Valve 528 ultimately came down to compatibility and personal preference. By focusing on key features like adjustability, durability, and ease of installation, I found a valve that improved my toilet’s performance and saved me time and hassle. I recommend doing thorough research and measuring your current setup before making a purchase.
Author Profile

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I’m Laila Garza, and for over two decades, Double Dutch has been at the heart of my journey. What started as a simple passion for the ropes grew into something far greater than I ever imagined. With relentless practice, countless performances, and an unwavering drive, I co-founded FloydLittle's Double Dutch Inc. (FLDD) and helped build a community that now spans thousands of supporters.
In 2025, I embraced a new chapter. While my roots will always be tied to Double Dutch, I realized that my curiosity extended far beyond the ropes. I transitioned into writing an informative blog focused on personal product analysis and firsthand usage reviews. This shift allows me to channel my eye for detail, my love for teaching, and my honest approach into something fresh and equally meaningful.
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