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Old 10-12-2017, 02:59 PM   #1
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Default thermostatic valve isolation valves

I will be installing a 2 outlet thermostatic shower mixing valve in a new bathroom I'm putting in. I've read that by code, the valve must have isolation valves on the hot and cold supplies. My question is first, it this true, and if so, do the shut off valves need to be "dedicated" to the thermostatic valve. I have valves on the hot and cold supplies that can isolate the entire new bathroom. Do these count for the thermostatic valve, or do I need separate ones that can isolate the valve specifically?

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Old 10-13-2017, 02:37 AM   #2
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Which code are you using? Stop valves are required for multi unit mixing valves. This is so you can make repairs with out effecting other units.
If you are in a single family dwelling then I am pretty sure integral stops are not required
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