Zjchao 12v 24v Solar Dc Hot Water Circulation Pump Brushless Motor Water Pump 3m 5m ... The pump is perfect for the family home thermal solar systems or any circulation pump application where conventionalpower is not available Horizontal inlet and outlet with rotatable cap, easy installation Max operating temperature up to 100C with External circulating water flow Super long working life.low consumption & low noise Amphibious design.Submersible installation and entirely waterproof