In the 2000 Litre Bunded Oil Tank range we have the Harlequin 2000HQI and 2000ITE Bunded Oil Tanks. These 2000 Litre Oil Tanks are suitable for a large proportion of domestic oil tank Installations. As a rough guide, a 2000 Litre Bunded Oil Tank is suitable for domestic installations for a 3-5 bedroom house. All Plastic Bunded Oil Tanks in this category have a 10 year manufacturer’s warranty. All Atlantis Bunded Oil Tanks have the market leading 12 Year Warranty.