Browse top-quality oil-fired water heaters at F.W. Webb. Our assortment includes oil-fired hot water heaters and burners in sizes ranging from 30 to 70 gallons. This kind of heater uses oil to warm up water in a home, primarily for a dishwasher, shower, tap, or washing machine. Oil-fired systems are energy efficient, reliable, easy to operate, and heat water rapidly. Use the convenient filters on our site to narrow your search by size, tank capacity, and venting. Explore a collection of oil-fired water heaters from trusted makers, including Bock and Everhot, to find the right option for your residence.