• Indirect water heater for vertical wall mounting only , heating elements underneath • BI-ENERGY: fitted with a 2.2 KW electric resistance the primary circuit to prevent scaling. • Soft polyurethane foam insulation • Vinyl casing • Control thermostat mounted and prewired • Summer-winter switch • Pre-mounted wall bracket • 5 models of 105, 130, 161, 203, 242 litres • Max. absorbed boiler output: from 23 to 68 kW