A. O. Smith’s Master-Fit series 200 ultra-low NOx gas water heater, for sale only in California markets, includes two models: the 81-gal. BTL-198 at 65” tall and the 100-gal. BTL-199 at 73” tall. The series features increased accuracy and dependability of the control system, reduced excess heat from the burner, and improved overall reliability and longevity.

A. O. Smith. www.hotwater.com