Hot and cold water supply lines feed into a point-of-use mixing valve controlled by isolation ball valves on the supply piping. Tempered water discharges to plumbing fixtures with pipe sizes varying per application. The mixing valve is set to one hundred ten degrees Fahrenheit for hand wash sinks and lavatories, and one hundred forty degrees Fahrenheit for janitor sinks.
T T NOTE: SET AT 110ºF FOR HAND WASH SINK AND LAVATORY. SET AT 140ºF FOR JANITOR. MIXING VALVE BALL VALVE (TYP.) HOT TEMPERED PIPE SIZE VARIES COLD WATER TO PLUMBING PIPE SIZE VARIES FIXTURES MOUNT MIXING VALVE AT POINT OF USE.
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