Moen 103674 Thermostatic Cartridge

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White plastic cartridge with brass top black rubber o-rings and metal spring.

WHAT OUR CUSTOMERS SAY…

“I have been here a few times. And I have found it the most helpful and best place I've been to in this area. They explain to me what I need not what I'm trying to tell them what I want. Would recommend to anybody who needed help and plumbing parts. ”

-Joey F

$358.27

The Moen 103674 is a replacement thermostatic cartridge kit specifically designed for the Moen 1/2″ ExactTemp valve system. This cartridge is used to maintain a precise water temperature in high-end shower or vertical spa configurations.

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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Restore the precise, comfortable temperature control of your shower with the Genuine Moen 103674 Thermostatic Cartridge. Designed specifically for Moen ExactTemp 1/2″ thermostatic tub and shower rough-in valves (models 3301 and 3321), this replacement cartridge ensures seamless, reliable performance, eliminating temperature fluctuations.

103674

Primarily for the 3301 and 3321 ExactTemp rough-in valves, which were introduced in 2000 and retired in 2006.
Works with the Moen Asceri 1/2″ ExactTemp Vertical Spa systems.

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…

“Holy guacamole! They had a part moen had out of stock, shipped the next business day, and got to me the next day Ohio -> Tennesse. Super happy, double packed for safe shipment. I couldn't be happier unless they installed the part for me! ”

-Brian D.

06/08/2025