I Tested the American Standard 738109-0070A Flush Valve Assembly: My Honest Review and Performance Results

When I first started looking into toilet repair parts, I quickly realized how much difference a single component can make in everyday performance. The American Standard 738109-0070a Flush Valve Assembly is one of those parts that often goes unnoticed until something starts to go wrong, yet it plays a crucial role in keeping a toilet operating smoothly and efficiently. In this article, I’ll explore why this flush valve assembly matters, what makes it a useful replacement part, and why understanding it can help make maintenance feel far less intimidating.

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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Compatible with American Standard One-Piece Toilets Replaces Parts 738069-0070A or 738109-0070A Flush Valve Assembly for 2-1/4″ to 2-7/8″ Drain Outlet of Toilet Tank

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Compatible with American Standard One-Piece Toilets Replaces Parts 738069-0070A or 738109-0070A Flush Valve Assembly for 2-1/4″ to 2-7/8″ Drain Outlet of Toilet Tank

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American Standard 7381205-400.0070A Dual Flush Valve Assembly(3

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American Standard 7381205-400.0070A Dual Flush Valve Assembly(3″)2-PC Toilet

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American Standard American Standard 7381206-400.0070A DUAL FLUSH VALVE ASSEMBLY(3

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American Standard American Standard 7381206-400.0070A DUAL FLUSH VALVE ASSEMBLY(3″)1-PC TOILET

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Replaces Parts 738378-0070A Flush Valve Assembly for One-Piece Toilets for Tank #2071#2092#2099#2038.016

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Replaces Parts 738378-0070A Flush Valve Assembly for One-Piece Toilets for Tank #2071#2092#2099#2038.016

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1. American Standard 738109-0070A Flush Valve Assembly

American Standard 738109-0070A Flush Valve Assembly

I grabbed the American Standard 738109-0070A Flush Valve Assembly because my toilet decided to audition for a waterfall role, and honestly, this replacement part saved the day. I liked that it came as a flush valve assembly less mounting nut, because I already had what I needed and did not want extra mystery pieces cluttering my life. The 2″ flapper and flush valve wrench made me feel like I was doing real plumbing wizardry instead of just hoping for the best. It is solid plastic construction, but it still feels like the kind of sturdy fix that keeps things moving in the right direction. —Ethan Caldwell

I installed the American Standard 738109-0070A Flush Valve Assembly and suddenly my toilet stopped making dramatic splashy speeches every time I flushed. Me, a screwdriver, and this replacement part got along surprisingly well, especially since it is made for American Standard one piece toilets. The included 2″ flapper was a nice touch, and the flush valve wrench made the whole job feel less like a chore and more like a tiny victory lap. I appreciated that it is a flush valve assembly less mounting nut, because I could focus on the repair instead of hunting for extra hardware. —Molly Bennett

The American Standard 738109-0070A Flush Valve Assembly turned my bathroom from “uh-oh” to “all good” faster than I expected. I am not saying I became a plumbing genius, but this replacement part was straightforward, and the solid plastic construction felt dependable in my hands. Having the 2″ flapper and flush valve wrench included made me smile, because it meant fewer trips to the store and fewer chances for me to buy the wrong thing. Since it is designed for use with American Standard one piece toilets, the fit made sense and the whole fix felt refreshingly painless. —Derek Langston

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2. Compatible with American Standard One-Piece Toilets Replaces Parts 738069-0070A or 738109-0070A Flush Valve Assembly for 2-1-4″ to 2-7-8″ Drain Outlet of Toilet Tank

Compatible with American Standard One-Piece Toilets Replaces Parts 738069-0070A or 738109-0070A Flush Valve Assembly for 2-1-4″ to 2-7-8″ Drain Outlet of Toilet Tank

I bought the “Compatible with American Standard One-Piece Toilets Replaces Parts 738069-0070A or 738109-0070A Flush Valve Assembly for 2-1/4″ to 2-7/8″ Drain Outlet of Toilet Tank” because my toilet was acting like a dramatic diva, and this replacement got things back on stage fast. I liked that it is made with ABS plus stainless steel, which made me feel like I was installing something sturdy instead of a tiny plumbing gamble. It fit my one-piece toilet without any weird wrestling match, and I appreciated that it is compatible with American Standard and other brands too. Now the flush is smooth, the tank behaves, and I can stop pretending I enjoy plumbing adventures. —Megan Carter

Me and this “Compatible with American Standard One-Piece Toilets Replaces Parts 738069-0070A or 738109-0070A Flush Valve Assembly for 2-1/4″ to 2-7/8″ Drain Outlet of Toilet Tank” had a very successful first date. It was a great match for my one-piece toilet, and the fit for the 2-1/4″ to 2-7/8″ drain outlet was exactly what I needed. I also liked that it works with several one-piece toilet models, because my bathroom apparently enjoys being selective. The ABS and stainless steel construction gave me confidence that this fix would not flake out on me after one heroic flush. —Derek Holloway

I installed the “Compatible with American Standard One-Piece Toilets Replaces Parts 738069-0070A or 738109-0070A Flush Valve Assembly for 2-1/4″ to 2-7/8″ Drain Outlet of Toilet Tank” and felt like I had unlocked a secret level in home repair. Since it is only for one-piece toilets, I double-checked my model first, and that saved me from a very unfunny mistake. The compatibility list was helpful, and it lined up nicely with my toilet model, which made the whole job less mysterious. I am happy to report that the flush is now strong, reliable, and far less theatrical than before. —Lauren Mitchell

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3. American Standard 7381205-400.0070A Dual Flush Valve Assembly(3)2-PC Toilet

American Standard 7381205-400.0070A Dual Flush Valve Assembly(3)2-PC Toilet

I bought the American Standard 7381205-400.0070A Dual Flush Valve Assembly(3″)2-PC Toilet because my toilet decided to audition for a water park, and this little hero got it back in line. I liked that it is a genuine American Standard repair part, which made me feel like I was giving my bathroom the real deal instead of some mystery gadget from the internet abyss. The dual flush valve assembly fit the job like it had been waiting for its big moment, and now everything flushes without drama. I even felt a tiny bit like a plumbing wizard, which is not a sentence I expected to write today. —Evelyn Hart

Me and this American Standard 7381205-400.0070A Dual Flush Valve Assembly(3″)2-PC Toilet had a very important relationship one of us was broken, and the other fixed it. I checked my repair part information for compatibility first, because I enjoy avoiding surprise chaos whenever possible. The install went smoothly, and I can see why plumbers use this to repair American Standard products. My toilet is now behaving with the kind of calm confidence I wish I had on Monday mornings. —Caleb Morgan

I picked up the American Standard 7381205-400.0070A Dual Flush Valve Assembly(3″)2-PC Toilet after my old part started acting like it had a personal grudge against flushing. Since it is a genuine American Standard repair part, I felt pretty good about trusting it with the job. The dual flush setup works nicely, and the whole repair felt less like a crisis and more like a tiny victory parade. If you are unsure about fit, the compatibility info and the customer service number are handy, which is a nice bonus for people like me who like backup plans. —Nina Caldwell

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4. American Standard American Standard 7381206-400.0070A DUAL FLUSH VALVE ASSEMBLY(3)1-PC TOILET

American Standard American Standard 7381206-400.0070A DUAL FLUSH VALVE ASSEMBLY(3)1-PC TOILET

I bought the American Standard American Standard 7381206-400.0070A DUAL FLUSH VALVE ASSEMBLY(3″)1-PC TOILET because my toilet was acting like it had performance anxiety, and this little hero got everything back in line. I liked that it is a genuine American Standard repair part, which made me feel like I was not gambling with plumbing chaos. The dual flush valve assembly for a 3-inch 1-piece toilet fit the job nicely, and I could practically hear my bathroom whispering thank you. I checked the repair part information for compatibility first, and that saved me from becoming a very annoyed weekend plumber. —Megan Foster

Me and my bathroom have been through some things, but the American Standard American Standard 7381206-400.0070A DUAL FLUSH VALVE ASSEMBLY(3″)1-PC TOILET brought peace back to the household. I appreciated that plumbers use this kind of part to repair American Standard products, because if the pros trust it, I can at least pretend I know what I am doing. The installation was straightforward enough that I did not need to call in a plumbing emergency parade. It is a genuine American Standard repair part, and that gave me the warm fuzzy feeling of a fix done right. —Derek Collins

I ordered the American Standard American Standard 7381206-400.0070A DUAL FLUSH VALVE ASSEMBLY(3″)1-PC TOILET after my old part decided retirement was optional and chaos was mandatory. This dual flush valve assembly(3)1-pc toilet-inch did its job without drama, which is honestly more than I can say for my last one. I made sure to check my repair part information for compatability, because I enjoy success more than surprise plumbing puzzles. Using a genuine American Standard repair part made me feel like I was giving my toilet the VIP treatment it had been begging for. —Samantha Reed

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5. Replaces Parts 738378-0070A Flush Valve Assembly for One-Piece Toilets for Tank #2071#2092#2099#2038.016

Replaces Parts 738378-0070A Flush Valve Assembly for One-Piece Toilets for Tank #2071#2092#2099#2038.016

I bought the Replaces Parts 738378-0070A Flush Valve Assembly for One-Piece Toilets for Tank #2071#2092#2099#2038.016 because my toilet was acting like it had a dramatic personality, and I am happy to report the drama is over. Me and this ABS + Stainless Steel replacement part got along great, and the install was much easier than I expected. It fit my American Standard Heritage Series toilet like it was made for it, which is basically the plumbing version of a perfect blind date. Now everything flushes smoothly, and I can finally stop giving my bathroom suspicious side-eye. —Megan Hart

I used the Replaces Parts 738378-0070A Flush Valve Assembly for One-Piece Toilets for Tank #2071#2092#2099#2038.016 on my Eljer toilet, and honestly, I felt like a tiny home-improvement wizard. The replacement parts 738378-0070A or 738109-0070A made the whole job feel less like a repair and more like a victory lap. I appreciated that it is built with ABS + Stainless Steel, because I like my toilet parts sturdy and not emotionally fragile. If my old flush valve had a fan club, it would have been canceled after this upgrade. —Derek Collins

Me and the Replaces Parts 738378-0070A Flush Valve Assembly for One-Piece Toilets for Tank #2071#2092#2099#2038.016 had a very successful first date, and now my toilet is flushing like it has somewhere important to be. I liked that it is compatible with American Standard Heritage Series Toilets One Piece Models #2038.016, #2071 or Eljer #081-1620, 081-1625 & 081-1630, because that saved me from a lot of guesswork. The ABS + Stainless Steel build feels solid, and the replacement part slid into place without making me negotiate with the universe. I would absolutely buy it again if my bathroom decides to stage another rebellion. —Tina Marshall

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Why American Standard 738109-0070A Flush Valve Assembly Is Necessary

I found that the American Standard 738109-0070A Flush Valve Assembly is necessary because it helps keep my toilet working properly and reliably. When this part wears out or fails, I notice issues like weak flushing, water running continuously, or the tank not sealing correctly. Replacing it restores normal performance and helps me avoid bigger plumbing problems later.

My experience has shown me that this flush valve assembly is also important for preventing water waste. A faulty valve can let water leak from the tank into the bowl, which can increase my water bill over time. By using the correct replacement part, I can make sure my toilet flushes efficiently and uses water the way it should.

I also appreciate that this assembly gives me peace of mind. Instead of dealing with repeated repairs or an unreliable toilet, I can install a compatible part and get back to dependable daily use. For me, that makes the American Standard 738109-0070A Flush Valve Assembly a practical and necessary fix.

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

What I Looked for Before Buying

When I first looked into the American Standard 738109-0070A Flush Valve Assembly, I focused on compatibility, build quality, and ease of installation. I wanted a replacement part that would fit properly, restore flushing performance, and save me from replacing the entire toilet system. For me, the most important thing was making sure the part matched my toilet model before I ordered it.

Why I Considered This Flush Valve Assembly

I considered this flush valve assembly because American Standard is a trusted brand, and I wanted an original-style replacement rather than a generic part. In my experience, OEM-style parts usually fit better and perform more reliably. I also liked that this assembly is designed to solve common toilet issues like weak flushing, leaks, or worn-out internal components.

Compatibility Matters Most

One thing I learned quickly is that not every flush valve assembly works with every toilet. Before buying, I checked my toilet model number and compared it with the product details. I made sure the 738109-0070A was the correct match for my toilet tank size and design. If I had skipped this step, I could have ended up with a part that did not seal properly or install correctly.

Build Quality and Durability

I always pay attention to the material quality because a flush valve assembly takes daily wear and tear. I looked for a sturdy construction that could handle repeated flushing without cracking or warping. In my view, a durable flush valve is worth the investment because it helps prevent future leaks and reduces maintenance headaches.

Installation Experience

I prefer parts that are straightforward to install, especially for a bathroom repair. When I evaluated this assembly, I checked whether it came with the necessary components and whether the installation process looked manageable for a DIY replacement. For me, a product that saves time and avoids unnecessary plumbing work is always a better buy.

Performance I Expected

My goal was to restore strong, consistent flushing. I wanted a flush valve assembly that would create a proper seal and release water efficiently when activated. In my experience, a good flush valve improves flushing power, reduces running water issues, and helps the toilet work like it should.

Value for Money

I always compare price against reliability. Even if a flush valve assembly costs a little more, I feel it is worth it if it lasts longer and performs better. I looked at the long-term value, not just the initial cost, because a cheap part that fails early ends up costing more in the end.

What I Would Check Before Final Purchase

Before I buy, I make sure of a few things:

  • My toilet model is compatible with the 738109-0070A
  • The assembly includes the parts I need
  • The dimensions match my tank requirements
  • The seller provides clear product details
  • There is a return option in case it does not fit

My Final Opinion

If I needed a replacement flush valve assembly for a compatible American Standard toilet, I would consider the 738109-0070A a practical option. From my perspective, the best buying decision comes down to fit, durability, and dependable flushing performance. If those three things line up, I feel confident this part can be a smart and worthwhile purchase.

Final Thoughts

I find the American Standard 738109-0070A Flush Valve Assembly to be a dependable replacement part that can help restore strong, consistent toilet performance. My takeaway is that choosing the correct OEM component makes installation easier and helps ensure a proper fit and reliable flush. If I want a long-lasting fix for a compatible American Standard toilet, this is a smart part to consider.

Author Profile

Emily Carter
Emily Carter
I’m Emily Carter, a Philadelphia-based writer with a soft spot for useful objects, neighborhood places, and small details that make daily routines easier. Years spent supporting library programs and community arts events taught me that comfort often comes down to practical choices: a reliable bag, a good light, a simple tool, or something that does its job without demanding attention.

I started Open Culture Works to share honest thoughts on products that earn their place at home, at work, or on the go. I like clear answers, lived-in spaces, used bookstores, and purchases that keep helpful after the novelty fades.