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Stop Check Valve Kit for Moen Moentrol Tub & Shower Faucets 12318

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“Outstanding fast delivery on two pieces of an ancient Wolverine bath stem for Kohler - from the early 40s I think. The new one has a different body design, but it screwed directly into the old hot/cold tree and was the exact 6" length. Forty eight hours after installation now, and all remains fine. Also, kudos to the people who set up the website and ordering process. Great work - clear photos and info ! PS: I'm not an employee or family...lol. I retired from electrical wholesaling here outside Chicago and I appreciate a good job. ”
-JM C.
07/31/2026

$48.47

 

The Moen 12318 is a stop-check valve kit designed for Moen Moentrol and single-handle tub and shower faucets (including series like Legend, Monticello, and Icon).

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: 73071 Categories: , Tag:

Manufactured from heavy-duty, corrosion-resistant brass, steel, and premium rubber, the Moen 12318 stop check valve delivers a tight, leak-free seal that prevents backflow and isolates your water supply for worry-free maintenance.

 

12318

 

  • Constructed from durable brass, steel, and rubber components.
  • Can be used for both hot and cold water supply lines on the rough-in valve.

 

Customer submitted image. 

 

Common questions about this product

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.

 

 

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

Yes, this aftermarket part will replace your OEM part. 

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“Fast, friendly, knowledgeable, hard to find items not carried by most big box stores. ”
-William S.
02/23/2026