A.O. Smith Water performances Co. ...

A.O. Smith Water performances Co. has added the BTH-400 to its Cyclone XHE[R] line, combining the delivery capacity of a 130-gallon tank with 400000-Btu input. The BTH-400 is the industry's first commercial gas water heater to achieve 99 percent thermal efficiency, the company says.

The Cyclone BTH-400 also features increased storage and input, says Matt Schulz A.O. Smith work manager, standard commercial products. "A manifold installation with four BTH-400 units provides total storage of 520 gallons and total input of 16 million Btu" he explains.

The BTH-400