How does a thermostatic valve typically break and be repaired?

DreamingoftheUPMarch 17, 2014

I'm considering using thermostatic/volume/diverter valves in my bathroom. In my second bath, I have a Moen pressure balancing valve. In 20+ years, the only problem with it was a slow leak one time which I simply fixed by replacing the cartridge.

How do thermostatic valves break or wear out? What are the symptoms - only cold water, only hot water, or? How are they repaired - replace a cartridge or the entire valve body?

As reference, I will use a major brand (Delta, Moen, Grohe, Kohler). Am leaning towards Kohler.

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With the Delta shower control I installed last year, you buy the universal housing that gets installed in the wall and then you buy the cartridge and handles and trim separately and can put either a thermostatic or pressure balancing control in the same universal housing.

    Bookmark   March 20, 2014 at 10:31PM
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