Ordering Information 2-inch pipe mounting bracket is supplied with TT1, TT2 and TT3. Only a supply tube, but no KCI solution, is supplied with TN1 and TN2. Since a KCI solution is not supplied with TT2, arrange it from among accessories or auxiliary parts. Prepare an air pressure regulator as shown in the diagram below when the medium-pressure reserve tank is used. To pH sensor, Regulator, (to be prepared separately). Mark band is shown by numeral and pin terminals are used.