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American Standard 738109-0070A Flush Valve Assembly

Grey plastic flush valve with blue vinyl flapper braided chain and black rubber seal.
Grey plastic flush valve with blue vinyl flapper braided chain and black rubber seal.
Grey plastic flush valve with blue vinyl flapper braided chain and black rubber seal.

chat iconWHAT OUR CUSTOMERS SAY…

“Sent Noel’s plumbing and image of what was needed, not being able to find it. They had it sent to me within a week and fitment was perfect. 👍 ”
-Lorenzo H.
03/12/2026

$49.47

 

The American Standard 738109-0070A is a genuine OEM flush valve assembly specifically designed for one-piece toilets. It is commonly used as a replacement part for several legacy models, including the Hamilton, Lexington, Antiquity, and 1.6 gpf versions.

We can ship anywhere the US Postal Service ships. For orders being shipped outside the US, please contact us at (888) ASK-NOEL, noelsplumbingsupply@fuse.net, or via the text widget on this screen.

SKU: 9738109 Category: Tag:

Stop the leaks and running water in your high-performance one-piece toilet. The American Standard 738109-0070A is a complete 2-inch flush valve assembly specifically engineered for specialized 1.6 GPF models. Unlike standard universal valves, this assembly features a unique expansion rubber grommet design that seals directly into the tank, eliminating the need for a traditional mounting nut.

 

738109-0070A

 

  • Designed specifically for American Standard 1.6 GPF one-piece toilets, including the Lexington, Hamilton, and Antiquity series.
  • Tank models 2055 2068 2096 2037

 

Related Documents

 

American Standard 2092 Hamilton Parts Breakdown

Common questions about this product

Is this item the original manufacturer's recommended replacement part? chevron-icon

Yes, this is the OEM recommended part.

Is this the correct item for my application? chevron-icon

If you’re not sure text us a picture 1-888-275-6635 or email us a picture at noelsplumbingsupply@fuse.net.

 

We will make sure you have the right part.

 

 

chat iconWHAT OUR CUSTOMERS SAY…

“We were looking for a cartridge that not only matched the bottom holes but that would have the splines & you knew our cartridge had an additional piece which would not have spines on the new replacement We received the replacement cartridge yesterday; we replaced the old today & happy to say it fits perfect. Thank you for your great information and the speedy shipping. Should we need other supplies in the future, we will certainly contact your business. ”
-Leah l.
01/26/2023