Spare Parts for Noken Concealed 4 way, 3 handle Thermostatic valve with wax thermo-element. ? Inch or ? Inch connectors according to technical drawing. Diverter with flow regulator. The flowrate at 3 bar (mixed water) for each water way is 24,6l/min, 22,1l/min, 21,8l/min and 45,5l/min. Includes 1 hi-flow way with separate handle, non-return valves and 38?C security stop (100140559)