Gerber DA603933 Check Valve for Pressure Balance Valve

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Brass cartridgw with black rubber seals and stainless spring.

WHAT OUR CUSTOMERS SAY…

“I texted him a picture of the shower part from the 50’s I needed and he was able to identify it immediately. I ordered it and it showed up in two days! Very knowledgeable and friendly! ”

-Jim F.

02/04/2026

$27.14

The Gerber DA603933 is a brass check valve designed for use with pressure balance and thermostatic shower valves. It is a genuine replacement part manufactured by Gerber Plumbing

We can ship anywhere the US Postal Service ships. For orders being shipped outside the US, please contact us at (888) ASK-NOEL, asknoel@noelsplumbingsupply.com, or via the text widget on this screen.

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The Gerber DA603933 is a brass check valve stop designed for pressure balance and thermostatic shower valves. It serves as a built-in water shut-off mechanism directly on the shower rough-in valve body, allowing you to isolate and service the shower cartridge without turning off the main water supply to the entire home.

DA603933

Constructed with solid brass, which helps resist corrosion and tarnishing.
For use with pressure balanced valves.

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…

“Ordered the wrong part for a faucet, texted them about and pictures of what I needed, they let me do a refund and they didn’t have the exact part but sent me a link to Kohler who did have it. They’re so helpful, I’ll totally order from them again. I’ll probably text first next time so I get the right thing in the first place :) ”

-Rachelle S.

09/14/2024