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Tempered water shall be controlled by one the following:
  1. A limiting device conforming to ASSE 1070/ASME A112.1070/CSA B125.70 and set to not greater than 110°F (43°C).
  2. A thermostatic mixing valve conforming to ASSE 1017.
  3. A water heater conforming to ASSE 1082.
  4. A water heater conforming to ASSE 1084.
This provision shall not supersede the requirement for protective shower valves in accordance with Section 412.3.

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