Radiator Specialty Triple Seal B-251-R Tank Ball

chat iconWHAT OUR CUSTOMERS SAY…

“They had my part shipped the same day. I mistakenly checked that I would pick the part up at the store and they fixed it in minutes. ”
-Michael F.
01/04/2026

$7.27

 

The Radiator Specialty Triple Seal B-251 is a 2-1/4″ to 2-5/8″ rubber toilet tank ball designed to replace worn-out, leaking balls in most toilet tanks. It features a corrosion-resistant design that fits standard flush valves, including those that are pitted.

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: 17702 Category: Tags: ,

Radiator Specialty Triple Seal Tank Ball

 

B-251-R

 

  • 2 5/8″
  • Seals leaks 3 ways
  • The plumbers choice
  • Standard of the industry for over 60 years
  • UPC 078698225104

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…

“Prompt, competent service. Got it, installed it, everything works. Even shipped to Canada on a part that was difficult to find here. 5 Stars for sure. ”
-Jim
04/05/2022