The Calitec Heat Pump Hot Water System - 300 L - Outdoor Model is a reliable and energy-efficient solution for your hot water needs. This system includes a 300 litre hot water cylinder that is designed for outdoor installation, making it ideal for homes in colder areas and with limited indoor space. The system also features a 4 kW heat pump outdoor unit that provides efficient water heating, even in cold temperatures. With its advanced technology and high-quality components, this hot water system is a great investment for any household looking to save money on their energy bills.