Aquamax 315 litre electric mains pressure storage hot water system twin element 3.6KW model 992315G7 is designed for families with medium to large hot water needs. Unit comes with dual inlets and outlets for easy installation. Energy efficient and redesigned to be a better fit for replacements. Steel cylinder coated with high quality vitreous enamel and protected by a steel casing with rounded edges, unit is backed by a 10 year cylinder.