The Brute MagnaTech™ Series is a condensing volume water heater and ranges in sizes from 1,600,000 – 4,000,000 BTU/Hr. with thermal efficiencies up to 95%. It offers a small footprint, slim vertical design and removable top section, making it ideal for tight mechanical room. Includes Variable Speed Pump Control Technology, an energy saving feature that balances combustion, air and water flow.