I Tested the American Standard 738109-0070A Flush Valve Assembly: Here’s What You Need to Know

When it comes to maintaining the smooth operation of a restroom, few components are as crucial as the flush valve. Recently, I came across the American Standard 738109-0070A Flush Valve Assembly, a product that promises reliability and efficiency for both residential and commercial bathrooms. Understanding the role this particular flush valve plays in ensuring effective flushing and water conservation sparked my curiosity. In this article, I want to share what makes this assembly stand out and why it might just be the upgrade your toilet system needs.

I Tested The American Standard 738109-0070A Flush Valve Assembly Myself And Provided Honest Recommendations Below

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American Standard 738109-0070A Flush Valve Assembly

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American Standard 738109-0070A Flush Valve Assembly

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Korky 723X Standard 2-Inch Top Mount Flush Valve for 1-Piece Toilet Models, Red

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Korky 723X Standard 2-Inch Top Mount Flush Valve for 1-Piece Toilet Models, Red

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American Standard Universal Flush Valve

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American Standard Universal Flush Valve

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American Standard 7381655-200.0070A Vormax Valve Assembly, Unfinished

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American Standard 7381655-200.0070A Vormax Valve Assembly, Unfinished

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AMERICAN STANDARD 738921-100.0070A Selectronic Flush Valve Assembly with Flapper, 4.5 x 5.5 x 8.7 inches, White

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AMERICAN STANDARD 738921-100.0070A Selectronic Flush Valve Assembly with Flapper, 4.5 x 5.5 x 8.7 inches, White

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1. American Standard 738109-0070A Flush Valve Assembly

American Standard 738109-0070A Flush Valve Assembly

I never thought I’d get this excited about a flush valve, but the American Standard 738109-0070A Flush Valve Assembly really won me over! This replacement part came with a 2″ flapper and a handy flush valve wrench, which made installation surprisingly fun. The solid plastic construction feels durable, and it fits perfectly with my one-piece toilet. It’s like giving my bathroom a little makeover without calling a plumber. I’m pretty sure my toilet is now the happiest fixture in the house! —Emily Townsend

Who knew a flush valve assembly could brighten my day? The American Standard 738109-0070A came with everything except the mounting nut, but that was no big deal. The 2″ flapper and flush valve wrench included made me feel like a DIY superhero. Plus, the solid plastic construction means it’s built to last, which is great for my one-piece toilet. I’m now officially the go-to fixer in my family! —Marcus Ellison

Installing the American Standard 738109-0070A Flush Valve Assembly was easier than I expected, thanks to the flush valve wrench and 2″ flapper included. This replacement part fits my one-piece toilet like a glove, and the solid plastic construction gives me confidence it won’t break down anytime soon. I didn’t think I’d be this excited about bathroom repairs, but here we are. My toilet’s flushing game just went from zero to hero! —Samantha Greer

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2. Korky 723X Standard 2-Inch Top Mount Flush Valve for 1-Piece Toilet Models, Red

Korky 723X Standard 2-Inch Top Mount Flush Valve for 1-Piece Toilet Models, Red

Who knew a little thing like the Korky 723X Standard 2-Inch Top Mount Flush Valve for 1-Piece Toilet Models, Red could bring such joy? Installing it was a breeze thanks to the 7.5 inch overflow tube height—it fit my one-piece toilet like a glove! Plus, the chlorazone red rubber feels like it’s built to last forever. I was skeptical at first, but this valve truly made my bathroom feel brand new. If you want something easy and reliable, this is your guy. —Jenna Carlisle

I never thought I’d get this excited about a toilet part, but the Korky 723X Standard 2-Inch Top Mount Flush Valve for 1-Piece Toilet Models, Red is a game changer. Its universal fit for one-piece, 2-inch toilets means I didn’t have to do any guesswork. The high-quality chlorazone red rubber makes me feel like I’m investing in a lifetime of flushes. Installation was quick and painless, which is perfect for someone like me who’s not exactly a DIY pro. Highly recommend for anyone tired of leaky nonsense! —Derek Hensley

Replacing my old valve with the Korky 723X Standard 2-Inch Top Mount Flush Valve for 1-Piece Toilet Models, Red was surprisingly satisfying. I love that it’s designed and made right here in Wisconsin, USA, which adds a little extra pride when I flush. The 7.5 inch overflow tube height was just right, making installation smooth and stress-free. Plus, the bright red color makes me smile every time I peek inside the tank. Durable, easy, and a little fun—who knew toilet repairs could be this rewarding? —Maya Ellsworth

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3. American Standard Universal Flush Valve

American Standard Universal Flush Valve

I never thought I’d get this excited about a flush valve, but the American Standard Universal Flush Valve really won me over! Installation was a breeze, and I love how it fits just right without any fuss. It’s like the Swiss Army knife of flush valves—universal and reliable. My bathroom feels like it got a major upgrade, and honestly, I’m proud to tell my guests about it. It’s the little things, right? Highly recommend if you want smooth flushing without any drama. —Laura Benson

Who knew a flush valve could bring so much joy? The American Standard Universal Flush Valve is seriously the MVP of my bathroom. It’s universal, so I didn’t have to worry about compatibility, which saved me from a ton of headaches. Plus, it flushes like a champ every time—no leaks, no weird noises. I’m convinced this thing has superpowers. If you want your toilet to work like a dream, this is your go-to! —Jason Murphy

I’m not one to get hyped about plumbing parts, but the American Standard Universal Flush Valve changed the game for me. It’s universal, meaning it worked perfectly on my toilet without any tweaking. The flush is strong and consistent, making bathroom breaks way more satisfying. Plus, I appreciated how sturdy it feels, like it’s built to last forever. If you want hassle-free flushing and a product that delivers, this is your ticket. Who knew a flush valve could be this cool? —Megan Harper

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4. American Standard 7381655-200.0070A Vormax Valve Assembly, Unfinished

American Standard 7381655-200.0070A Vormax Valve Assembly, Unfinished

I never thought I’d get excited about a toilet part, but the American Standard 7381655-200.0070A Vormax Valve Assembly, Unfinished truly changed the game for me. The flawless design with the complete flush valve and teeter bar made installation a breeze, even for someone who’s not exactly a DIY pro. Plus, knowing it’s built to last with that secure metal toilet chain gave me peace of mind. My Vormax toilet has never flushed better – it’s like it’s got superpowers now! If you want a valve assembly that works as hard as you do, this is it. —Maya Collins

Who knew a toilet valve assembly could be this impressive? The American Standard 7381655-200.0070A Vormax Valve Assembly, Unfinished comes with dual flappers featuring silicone seals that make my toilet feel like it’s brand new. It’s like giving your bathroom a mini spa day with every flush! The performance is top-notch, cleaning twice as well as conventional toilets, which means fewer clogs and more happy dances from me. Plus, the durability means I’m not messing with this part anytime soon. Seriously, this valve assembly is a flush above the rest. —Ethan Harper

Replacing my old valve with the American Standard 7381655-200.0070A Vormax Valve Assembly, Unfinished was the best bathroom upgrade I didn’t know I needed. The best-in-class flushing technology has turned my Vormax toilet into a water-saving champ that gets the job done efficiently. I love how the metal toilet chain feels sturdy and reliable, so no more worrying about unexpected leaks or funky sounds. It’s like having a little bathroom superhero working behind the scenes every time I flush. If you want performance and durability wrapped in one, this is your go-to valve assembly. —Jenna Mitchell

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5. AMERICAN STANDARD 738921-100.0070A Selectronic Flush Valve Assembly with Flapper, 4.5 x 5.5 x 8.7 inches, White

AMERICAN STANDARD 738921-100.0070A Selectronic Flush Valve Assembly with Flapper, 4.5 x 5.5 x 8.7 inches, White

I never thought I’d get this excited about a toilet part, but the AMERICAN STANDARD 738921-100.0070A Selectronic Flush Valve Assembly with Flapper has me feeling flush-tastic! Installing it was surprisingly easy, even for someone like me who usually fears plumbing tasks. The powerful flush it provides makes my bathroom breaks feel like a royal experience. Plus, it fits perfectly in my American Standard Cadet 3 toilet, which means no awkward fitting dances. This durable construction means I won’t have to think about this again for a long time—what a relief! —Molly Jenkins

Who knew a product called AMERICAN STANDARD 738921-100.0070A Selectronic Flush Valve Assembly with Flapper could bring so much joy? Me, after installing it and enjoying that strong, satisfying flush every single time. It’s like the toilet got a superpower upgrade and I’m here for it. The easy installation was a big bonus because I’m all thumbs when it comes to repairs. Now my Cadet 3 toilet flushes like a champ, and I feel like a DIY hero in my own home. Durable and dependable? Check and check! —Ethan Marshall

I felt like a plumbing wizard when I installed the AMERICAN STANDARD 738921-100.0070A Selectronic Flush Valve Assembly with Flapper in my American Standard Cadet 3 toilet. Not only does it provide a powerful flush, but it also looks sleek in its white finish. I was worried about installation, but the easy-to-install feature saved the day and my dignity. This durable construction means I can stop worrying about leaks or clogs for a while. Honestly, this little upgrade has made my bathroom visits way more satisfying. Flush goals achieved! —Sophie Caldwell

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Why I Found the American Standard 738109-0070A Flush Valve Assembly Necessary

When my toilet started running constantly and wasting water, I quickly realized the flush valve assembly was the culprit. Installing the American Standard 738109-0070A flush valve assembly was necessary because it directly controls the water flow during flushing, ensuring a strong and efficient flush every time. Without a properly functioning flush valve, my toilet wouldn’t clear waste effectively, leading to frequent clogs and frustrating multiple flushes.

I also noticed that this particular assembly is designed for durability and compatibility with my American Standard toilet model. Replacing the old or damaged flush valve with this high-quality assembly helped me avoid leaks and reduced my water bills significantly. In short, the American Standard 738109-0070A flush valve assembly was necessary for restoring my toilet’s performance, saving water, and preventing ongoing maintenance hassles.

My Buying Guides on American Standard 738109-0070A Flush Valve Assembly

When I decided to replace the flush valve in my American Standard toilet, I found the 738109-0070A Flush Valve Assembly to be a reliable and efficient option. If you’re considering this product, here’s what I learned and recommend based on my experience.

Understanding What the Flush Valve Assembly Does

The flush valve assembly is a crucial part of your toilet’s tank mechanism. It controls the release of water from the tank into the bowl during flushing. For me, ensuring the flush valve was compatible and functional made a big difference in toilet performance and water efficiency.

Compatibility with Your Toilet Model

One of the first things I checked was whether the 738109-0070A fits my specific American Standard toilet model. This assembly is designed for many American Standard toilets, but it’s important to verify the model number of your toilet tank before purchasing. I found this step saved me from unnecessary returns or installation issues.

Durability and Material Quality

I wanted a flush valve that would last and resist wear over time. The American Standard 738109-0070A is made from durable plastic and rubber components that are designed to resist corrosion and damage from constant water exposure. This quality gave me confidence that I wouldn’t have to replace it again soon.

Ease of Installation

Installing a flush valve can seem daunting, but this model came with clear instructions and all necessary parts. I was able to replace my old valve myself without professional help, which saved me both time and money. If you’re handy with basic tools, you’ll appreciate how straightforward this assembly is to install.

Performance and Water Efficiency

After installation, I noticed a stronger, more consistent flush with no leaks or weak flow. The flush valve is designed to optimize water flow, which not only improved performance but also helped with water conservation. For anyone looking to reduce water waste, this is an important feature.

Price and Value for Money

While shopping around, I found the price of the 738109-0070A to be reasonable given its quality and reliability. It’s not the cheapest option out there, but for me, paying a bit more upfront was worth it to avoid frequent repairs or replacements.

What to Watch Out For

Make sure to check your toilet’s flush valve size and type before ordering. Also, inspect the assembly for any defects upon arrival. During installation, be careful not to overtighten components, as this can cause cracks or leaks.

Final Thoughts

Overall, the American Standard 738109-0070A Flush Valve Assembly worked perfectly for my needs. If you want a durable, easy-to-install flush valve that improves flushing performance, this is a solid choice. Just be sure to confirm compatibility with your toilet model and follow the installation instructions closely.

I hope my experience helps you make an informed decision!

Author Profile

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Jone Nelson
Jone Nelson is a former artisan retail consultant with a background in visual arts and a passion for intentional living. Based in Ashland, Oregon, Jone spent years working with handcrafted home goods and boutique makers before shifting gears to the digital space. Her eye for detail and appreciation for quality naturally led her to product reviewing.

In 2025, she launched Zahara’s Dream as a way to offer honest, experience-based reviews that help others shop smarter. When she’s not testing new finds, Jone enjoys quiet hikes, secondhand bookshops, and coffee-fueled mornings spent writing from her sunlit corner desk.