Based on this product's specifications, here are some alternatives and similar models
Pellet boiler Ferroli BioPellet Pro 24 kW, output range 7.5–24 kW, model LSBBP24T
Summary description:
Ferroli BioPellet Pro 24 is a pellet-fired central heating boiler with an operational output range of 7.5–24 kW (model LSBBP24T). Designed for residential or light-commercial heating, it uses wood pellets as fuel and provides automated fuel feed and combustion control. Suitable for heating radiators or underfloor systems and for integration with standard heating circuits.