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HydroGuard HT115

HydroGuard high temperature shut-off device

Designed to provide thermostatic protection for the shower. If the temperature during the shower reaches 115°F (46°C) this device instantly reduces the flow to less than 0.25 gpm (from 2.5 gpm). Once the temperature drops below 115°F (46°C) the HT115 automatically resets and resumes the full flow within seconds. It is ideal for use with two handle, single handle, pressure balance and temperature control valves. It is easy to install and can be used for new or existing applications.


  • Automatically resumes the full flow after water temperature drops below 115°F (46°C)
  • Ideal for hospitals, hotels/motels, residences, healthcare, and schools
  • Instantly reduces water flow to less than 0.25 gpm if the temperature reaches 115°F (46°C)
  • Ideal for use with two handle, single handle, pressure balance, and temperature control valves

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Approval Information

For approval information, please refer to the products specification sheet. For any other information on product certification and documentation information, please visit our certification partner websites: