Tower Thermal Cooling Tower. Model TXF 40. Sidedraft. PERFORMANCE : Flowrate Max. 8.5 l/s up to 12.2. Entering Water Temp. 35 oC Leaving Water Temp. 28 oC Ambient Outside Wet Bulb Temp. 20 oC MODEL SELECTED : TXF-40 Sidedraft® Series Motors 415v .37kw x 2.