Tempering Valves and Thermally Actuated Valves

Tempering valves and thermally actuated valves contain a thermal sensing component that opens or closes in response to temperature changes. They are used to regulate the temperature of hot water and prevent scalding. Thermally actuated valves and tempering valves consist of an operating valve and a thermostatically-controlled bypass valve. Water that enters a fixture at a desired temperature flows through the operating valve and then out the fixture. Water that enters a fixture at an excessively high temperature flows through a hot water tempering valve, bypassing the operating valve. Using a thermal actuator element, the bypass valve continuously senses the temperature of the water until a safe temperature is achieved. The bypass valve then closes, and water is routing to the operating fixture.

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