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…

“I was very happy with Noel’s Plumbing. I was searching for a fairly rare part and saw it listed on their website. After placing my order, I was informed that the item was actually on backorder. Noel’s Plumbing was upfront and honest right away, letting me know it might take some time to arrive. Throughout the wait, they consistently kept me updated, which I really appreciated. When the part finally came in, they shipped it out immediately. It arrived exactly as described and was precisely what I needed. Excellent communication, honesty, and follow-through. Thank you, Noel’s Plumbing! ”

-Dave F.

04/04/2026

$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…

“We were looking for a cartridge that not only matched the bottom holes but that would have the splines & you knew our cartridge had an additional piece which would not have spines on the new replacement We received the replacement cartridge yesterday; we replaced the old today & happy to say it fits perfect. Thank you for your great information and the speedy shipping. Should we need other supplies in the future, we will certainly contact your business. ”

-Leah l.

01/26/2023