The heater(s) shall be State Water Heaters SVTE series electric water heater model number _SVTE_(300/400/500/650/800) or an approved equal. Heater(s) shall be rated at _(15/30/45/60)_ KW, 400 V, 3 phase, 50/60 cycle AC. The heater shall be for vertical installation. Vessel shall be constructed to European Pressure Directive for 7 bar working pressure. Vessel shall be glass-lined with 3 magnesium anodes for additional corrosion protection. The heater will be insulated with 100 MM insulation with ABS cladding meeting current European standards for energy efficiency. Heater will be supplied with a factory-mounted IP55 control cabinet. Heating elements shall be flange mounted, Incoloy 800 sheathed low watt density heating elements. Elements will be switched by magnetic contactors which are operated by a 230V fused control circuit. Control circuit is activated by a master pilot switch. Each element will be switched with an individual thermostat and have an override switch for manual de-activation. A manual reset high limit will cut-off power to the heating elements if temperature exceeds 95 °C. The entire water heating package shall be prewired to solderless terminal lugs, factory tested, complete with ASME temperature and pressure relief valve. Heater(s) shall have a three-year tank warranty and one-year on all electric components as outlined in the written warranty. Fully illustrated instruction manual included.