heat exchanger L430 w/o valve UL 815WB215

815WB215 Cu pipe according to DIN 8905-SF-Cu F22(F24F25)-R bundle pipes 7,4×0,2 pipe 19,5×16,51, number of pipe rows 2, lamella cut 95,25,x 33,02 x0,12, lamella distance 1,6 mm, lamella material AlMg3, side plate 2 mm St 1203, surface protection DIN 50961 FE Zn 12A for wall heater L716 without valve or temperature sensor