The PSS buffer tank is the ideal solution for those looking for cold or hot water storage with a capacity of 57 to 277 litres (larger capacity tanks can be ordered). Made from high quality black carbon steel for reliability and long life, it has 50mm thick foamed polyurethane insulation. In addition, the tank can be equipped with an electric heater to heat the water. The tank is ideal for use with a heat pump. The product comes with a 5-year guarantee.