      </div>
        </details>

        <hr />

        <details>
          <summary><b data-i18n>settings.section.ot</b></summary>
          <div>
            <div id="ot-settings-busy" aria-busy="true"></div>
            <form action="/api/settings" id="ot-settings" class="hidden">
              <fieldset>
                <legend data-i18n>settings.system.unit</legend>

                <label>
                  <input type="radio" name="opentherm[unitSystem]" value="0" />
                  <span data-i18