Kohler K-GP30320 Pressure Balance Adapter Plate

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Grey backing plate with black o-ring and lubricating grease for easy installation.

WHAT 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

$26.47

The Kohler K-GP30320 is a pressure balance adapter plate kit designed to allow the use of newer-style pressure balancing units with older Kohler Coralais shower valves. The part number for the kit is often listed as both K-GP30320 and 30320.

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Kohler Pressure Balance Adapter Plate

It is used as an adapter for older style Coralais bath and shower single control valves to be compatible with the newer-style plastic balancing valve (GP71969 cap assembly).
Kohler GENUINE Part
Used with GP71969 cap assembly
Includes o-ring and lube capsule

K-GP30320

Common questions about this product

Yes, this is the OEM recommended 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.

WHAT OUR CUSTOMERS SAY…

“Hi, I just wanted to write back and tell you how much I appreciate the quick response and service. I'm old, and good customer service used to be the norm. Not anymore, so when a company gives GREAT customer service, I like to thank them for it. I really appreciate you taking the time to answer my question, and also the fast shipping on my part. Have a great day! ...Steve ”

-Steve

09/27/2024