Single Lever Ceramic Cartridge for Zurn JH02BD RK7300

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Tan plastic cartridge with blue top red limit stop metal handle adapter with black oring and bottom seal.

Single Lever Ceramic Cartridge for Zurn JH02BD RK7300 - Image 2

Single Lever Ceramic Cartridge for Zurn JH02BD RK7300 - Image 3

Single Lever Ceramic Cartridge for Zurn JH02BD RK7300 - Image 4

Single Lever Ceramic Cartridge for Zurn JH02BD RK7300 - Image 5

Single Lever Ceramic Cartridge for Zurn JH02BD RK7300 - Image 6

WHAT OUR CUSTOMERS SAY…

“Order received and installed. Thank you very much (spoken mentally in my best Elvis voice). Really is nice to know that there is still a business out there that's got their act together! Appreciate the quick service and correct parts shipping. Thanks again.. jP ”

-Jack P.

04/02/2026

$54.17

The Zurn RK7300 is for Zurn Temp-Gard III shower and tub valves, this cartridge is designed to maintain consistent water temperature in commercial and residential showers.

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 Cartridge for Zurn

RK7300

It senses pressure differences between hot and cold water lines and adjusts automatically to maintain a steady water temperature, preventing sudden changes or scalding risks when other water sources in the building are used (like a toilet flushing).
It is specifically designed for use with Zurn Temp-Gard III shower and tub valves.
3″ length
40 MM Diameter

Customer submitted images.

Common questions about this product

Yes, this aftermarket part will replace your OEM part.

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 is the OEM recommended part.

WHAT OUR CUSTOMERS SAY…

“Fantastic! I walked in with parts to the faucet in my vintage sink and walked out with everything I needed. Chain hardware stores suggested I get a whole new sink and/or would not be able to do it without a plumber. The employee at Noels took a quick look, knew what it was, and had it in stock. I was able to fix my sink in two minutes with their help! ”

-Elizabeth A.

03/14/2021