Indoor pellet-burning thermo-stove produces hot water that can then be supplied to radiators in order to warm your space. Can be used autonomously or connected to your main heating system. Features vertical Mannesmann-type tubes, efficiently transporting heat to the water. Electronic management system that automatically sets function parameters. Refractory ceramic crystal able to withstand up to 750°C. Easy-to-read screen, with 10 language options. Activation and Deactivation timer. Space temperature sensor. Ability to place external thermostat. Smart failure-identification system. 3mm steel frame and 4mm steel combustion chamber. Features GRUNDFOS circulation pump and expansion vessel. Boiler tested at 4 bar.