Appliances with basic accessories TANTUM 25 Compact 100 with basic accessories + Boiler connection fitting + Outdoor sensor + Connection taps incl. hinge (flexible connection pipes on each side or upwards are possible.) + Connection pipe + Gas connection pipe + Flat gaskets and seals Energy efficiency class Package price/€ TANTUM 25 Compact 100 - Compact gas condensing appliance 4.0-24.7 kW XL Technical data Model Gas appliance category, DE Boiler heat output range in kW, 80/60° C Boiler heat input range in kW Rated output efficiency 80/60° C in % Efficiency 0.3 x rated output, 30° C in % Energy efficiency rating, space heating Energy efficiency rating, hot water, XL Supply air-flue gas connection (diameter) in mm Heating appliance Dimensions (height / width / depth) in mm Boiler weight in kg Heater flow/return connection (external thread) Hot and cold water connection (external thread) Gas connection (external thread) 1595 / 595 / 635 134 G ¾”, flat seat G 3/4” R ¾”, conical Condensate outlet max. drinking water pressure in bar max. all. water hardness in mol/m³ max. water rated output in kW Domestic hot water - initial tapping rate in l 45° C/55° C/12l/min Domestic hot water - initial tapping rate in l 45° C/60° C/12l/min Domestic hot water, continuous output at Dt=35K in l/min Flue gas mass flow (max.) in g/s Draught, flue gas side in Pa Flue gas temperature at rated output in °C Electrical connection (VAC / Hz) max. electrical power consumption in W Hot water tapping temperature / storage tank charging temperatu