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Temptrol Cap Assembly for Symmons T-12A

Bright brass bonnet nut with set screw.

chat iconWHAT OUR CUSTOMERS SAY…

“The cartridge in my kitchen sink broke last week so I've been without that sink for a whole week. I ordered a replacement from Noel's, which I could not find anywhere else and it worked perfectly. Thank you! You saved me! ”
-Matt F.
09/19/2025

$60.47

 

The Symmons TA-12A (also referred to as the T-12A) is a Symmons replacement cap assembly designed for use with the Symmons Temptrol series of shower and tub/shower valves. It is a key component for maintenance and repair of the valve, particularly for resolving leakage problems.

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: 17883 Category: Tag:

Temptrol Cap Assembly for Symmons 

 

T-12A

 

  • The TA-12A cap assembly is known as the “heart of the Temptrol system” along with the TA-10 spindle.
  • Constructed of durable, solid brass and other metals for longevity.
  • 1/2 in. I.D. x 1 in. O.D.
  • Limit stop and O-ring included

 

Customer submitted images. 

 

Common questions about this product

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.

 

 

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

Yes, this aftermarket part will replace your OEM part. 

chat iconWHAT OUR CUSTOMERS SAY…

“I was at my witts end with a 39 year old American Standard faucet. It had been leaking for many, many months so I contacted American Standard. They referred me to Noel’s Plumbing. My faucet would not have been able to be replaced without removing the whole tub. They immediately contacted me and told me what to do. They stayed with me the whole time till I found the problem although they didn’t get a sale out of me they did fix my problem no more leaky faucet, I have them in my contacts now and will use them anytime I have a plumbing problem. Thank you Noels Plumbing for the best service I’ve ever had!! ”
-as
02/22/2024