Olympia OP-340009 Pressure Balance Cartridge

chat iconWHAT OUR CUSTOMERS SAY…

“This place rocks! I have replaced two parts for an old Gerber faucet in the laundry tub. After the spout was leaking, I could not find the right washers anywhere. I had to replace the whole spout, which they had in stock, and it was priced competitively. Now, not a drop leaks. ”
-John D.
02/03/2024

$44.27

 

The Olympia OP-340009 is a pressure balance ceramic disc cartridge designed as a replacement part for compatible Olympia tub and shower valves. Its main function is to maintain a safe and consistent water temperature, protecting users from sudden changes in water pressure. Replaces old or faulty cartridges to fix common issues like water leakage and difficulty in adjusting water temperature.

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: 21915 Category: Tag:

Olympia Pressure Balance Cartridge

 

OP-340009 

 

  • Ceramic disc pressure balance cartridge.
  • Pioneer Industries, Inc., under the Olympia brand name.
  • It is specifically designed to fit various Olympia tub and shower valves, including models like the T-2370, T-2372, P-2300B-B, P-2307B, P-2308B, P-2309B, and P-2407B. It is also known as OLYMPIAâ„¢ Part# 379870 and replaces older models OP-340008 and OP-440058.
  • It includes a limit ring to adjust the desired maximum hot water temperature for added safety.
  • 3″ Length
  • Square or regular broach

 

Customer submitted images. 

 

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.

 

 

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

Yes, this is the OEM recommended part.

chat iconWHAT OUR CUSTOMERS SAY…

“Really great experience getting parts for my 30-year old frost free silcocks. They not only had the parts available, but they were shipped within a couple of hours. Great job, thank you! ”
-Phil R
02/08/2026