This Athena Leva also features three full group heads to allow it to keep up with more demanding, popular establishments. Features: Hammered copper finish, Two manual steam wands, Pressostat controlled heat exchange boiler, 23 liter boiler capacity. A service technician will contact you to arrange an installation appointment at your convenience. However, certain pre-installation requirements, listed below, must be met prior to the scheduled date for installation. Failure to meet these requirements will result in added fees and delays in installation.