KwikSol 150L 400kPa Direct Solar Geyser. Water-heating cylinder for a compatible solar geyser installation. Kwikot Kwiksol SOL-150-DIR-B cylinder with 150L capacity and 400kPa operating pressure. Direct solar-water-heating configuration with a 3kW electric backup element. Enamelled steel inner cylinder and insulated casing. This listing is the geyser cylinder; collector and complete installation kit are separate.