Kohler K-679 Thermostatic Valve - Plumbing - Contractor Talk

Kohler K-679 Thermostatic Valve

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Old 09-24-2018, 07:58 PM   #1
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Kohler K-679 Thermostatic Valve

Iíve got 3 of these things in my house. They are all making noise to some degree. Itís a humming noise. Vibration probably. Didnít happen when first installed. Been in use for about 4 years. The one used the least in the downstairs shower is very loud. Doesnít make any noise when cold only. Makes a little less all the way to hot (which is slightly mixed Iíd guess), and the most noise when warm or mixed the most. Kohler has been zero help. They say it is a pressure problem in the house. I think something is gunked up in the cartridge or stop. I seem to remember reading on here about Kohler having issues with their cartridges. Has anyone dealt with anything like this before? Iíve ordered new cartridge and a stop just to be safe, but Iíd love to have Kohler send me a new cartridge if it ends up being the problem. Thanks, Nick.
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