Temperature and Pressure Relief Valves for Potable Hot Water Heaters
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Questions and Answers

What does ASME consider insufficient for vessel protection?

  • Safety relief valves
  • Pressure relief valves
  • Relief valves sensitive only to temperature (correct)
  • Combination temperature and pressure relief valves
  • At what temperature does the temperature element in a T&P valve open?

  • 71°C
  • 100°C
  • 99°C (correct)
  • 120°C
  • What type of temperature relief device employs a fusible element which melts at 99°C?

  • Combination temperature and pressure relief valve
  • Temperature relief device with rod and tube arrangement
  • T&P valve (correct)
  • Safety relief valve
  • How often is it recommended for T&P valves to receive try lever tests?

    <p>Annually</p> Signup and view all the answers

    Where must the safety relief valve be installed on the hot water supply system?

    <p>Directly to a tapped or flanged opening in the top of the water heater</p> Signup and view all the answers

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