... galvanized steel plate (Aluminium alloy is available) Accessories Copper coil, copper connectors, Stainless bolts & nuts, Silicon rubber seal, ... output 45~95oC Hail resistance Φ25mm diameterFeatures description1) Copper coil as twice heat exchanger makes a pressurized ... installation, universal bracket suitable for either flat or slope roof installation.Accessories: Stainless bolts & nuts, water-proof ...