The heat exchangers of the Maxi-Flow series are made of acid-resistant stainless steel AISI 316L for optimum performance and service life. 37 inner tubes ensure high heat transfer efficiency. The acid-resistant stainless steel adjustable mounting brackets make installation simple and flexible. Can be connected to a boiler, heat pump, solar panel or other heat source. The maximum permissible operating pressure of the heat exchanger on both the primary and secondary side is 10 bar.