Single Function Pressure Balance Cartridge for Peerless NRP70538

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Tan plastic cartridge with aqua color limit stop brass stme black rubber o-ring and blue bottom rubber gasket.

Single Function Pressure Balance Cartridge for Peerless NRP70538 - Image 5

Single Function Pressure Balance Cartridge for Peerless NRP70538 - Image 6

Single Function Pressure Balance Cartridge for Peerless NRP70538 - Image 7

Single Function Pressure Balance Cartridge for Peerless NRP70538 - Image 8

WHAT OUR CUSTOMERS SAY…

“It is so nice to see you guys are still rocking and providing the best service for unique plumbing parts. I first used you guys 20 plus years ago when my brother turned me on to you. I live in Nashville now and was searching the entire region for a particular cartridge and you are the only one that had it. Hands down there's not many like you and you've always provided a great service and I'm glad to see you doing it now even online! ”

-James

01/11/2022

$63.17

The Peerless RP70538 is a single-function pressure balance valve cartridge used in many Peerless (and some Delta) single-handle tub and shower faucets. It helps control both water temperature and volume, and the pressure balance mechanism protects users from sudden temperature changes.

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.

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Pressure Balance Shower Cartridge for Peerless

NRP70538

Designed for use with Peerless and Delta single-handle tub and shower faucets.
Single-function, controlling both water temperature and volume with one handle.
Replaceable without going behind the wall
Compares to OEM RP70538
Use as a generic replacement for OEM RP70538

Customer submitted images.

Common questions about this product

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.

Yes, this aftermarket part will replace your OEM part.

WHAT 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