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Flush Valve Seal for Mansfield 630-4837 for 208/209 Series Toilets

Black rubber seal with tab openings.
Flush Valve Seal for Mansfield 630-4837 for 208/209 Series Toilets - Image 2
Flush Valve Seal for Mansfield 630-4837 for 208/209 Series Toilets - Image 3

chat iconWHAT OUR CUSTOMERS SAY…

“These people were extremely helpful in taking me through replacing a 25 year old hard water frozen cartridge on my Philrich sink faucet. They were able to identify the correct part I needed from a photo I sent (I had it figured out wrong). I was pleasantly surprised they had an obscure part like this, but they also told me how to extract the old one when I couldn’t get it out. They said to unscrew it after I had concluded from YouTube the old cartridge was supposed to just slide out. It threaded out as they said and saved me buying a cartridge extractor and a hernia. The whole experience has been excellent. ”
-Pete L.
03/10/2026

$5.47

 

The Mansfield 630-4837 is an old-style, black rubber flush valve diaphragm seal kit designed specifically for Mansfield #208 and #209 Watersaver flush valves. If your toilet is continuously running or leaking water from the tank into the bowl, replacing this seal is the standard fix.

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

SKU: 13135 Category: Tag:

Stop your toilet from constantly running and eliminate costly water waste with the Mansfield 630-4837 Replacement Flush Valve Seal. Specifically engineered for older-style tower systems, this premium rubber diaphragm seal acts as a direct replacement component to restore your toilet’s optimal flushing performance.

 

208-209

 

  • Designed specifically to fit Mansfield Model 208 and 209 Watersaver flush valves.
  • Easy DIY’er Quick-fix design allows you to easily slip the replacement ring into the top groove of the valve tower.
  • Made from durable, high-quality rubber formulated to withstand frequent use and resist everyday wear.

 

Customer submitted image. 

 

Common questions about this product

Will this item replace the original OEM part? chevron-icon

Yes, this aftermarket part will replace your OEM 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…

“After I tried several different stores to find the part I needed, the man at Noel's front desk took one look at my broken faucet stem and brought me the correct replacement. No more leaks! ”
-Taylor C.
04/21/2023
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