As one of North America's leading water heater manufacturers, John Wood oil-fired water heaters are manufactured to the highest quality standards. Their exceptional reliability and performance has earned the loyalty of professional plumbers and contractors across the country. John Wood water heaters feature patented TankSaver® technology that impedes corrosion and extends tank life. The ceramic fiber combustion chamber maximizes heat retention, while an immersion-type aquastat allows for precise water temperature control.
Available with capacities of 20 to 271 gallons, and BTU/HR ratings of 60,000 to 1,500,000, Bock water heaters have earned their place as the country's most popular oil-fired residential commercial appliances. The company's reputation for building robust products of unsurpassed quality has been upheld for generations. Bock's current product lines feature a Turboflue® heat exchanger for added energy savings, reduced heat loss, and a stronger, more durable tank.