Online Pool Heater , 280 Vlt Single Phase Outer body: G.I. Sheet Powder Coated 20 gauge. Inner Tank: Stainless Steel 304 Water Inlet: 40 mm (CPVC Union Pre-Installed) Water Outlet: 40 mm (CPVC Union Pre-Installed) Digital Temperature Controller fitted on Heating System Inbuilt Electrical Panel, Water Level Control, Relay Card etc.