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1/2″ Thermostatic Shower Cartridge for Sigma Faucet 18.30.300 32 Point

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“This place rocks! I have replaced two parts for an old Gerber faucet in the laundry tub. After the spout was leaking, I could not find the right washers anywhere. I had to replace the whole spout, which they had in stock, and it was priced competitively. Now, not a drop leaks. ”
-John D.
02/03/2024

$178.47

 

The 18.30.300 is a 1/2″ Exposed Thermostatic 32-Point Cartridge designed as a replacement cartridge for Butler Mill exposed shower systems.

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.

SKU: 41855-1 Category: Tag:

Are you dealing with a leaking shower or erratic water temperatures? Stop temperature spikes and restore perfect temperature control with the 18.30.300 1/2″ Exposed Thermostatic 32-Point Cartridge. Designed for the Butler Mill exposed valve system and compatible Sigma thermostatic shower sets. Engineered with precision for a smooth DIY installation, this cartridge is the ultimate cost-saving fix to return your luxury shower to its peak performance.

 

18.30.300

 

  • 4″ length
  • Features a 32-point brass tip.

 

Common questions about this product

Will this item replace the original OEM part? chevron-icon

Yes, this aftermarket part will replace your OEM part. 

Is this the correct item for my application? chevron-icon

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.

 

 

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-Andre W.
06/15/2026