www.pmmag.com/articles/90453-power-vent
Power Vent
January 23, 2007
The A.O. Smith ProMax® Power Vent water heater line features patented C3 Technology® flammable vapor ignition resistant design

The A.O. Smith ProMax® Power Vent water heater line features patented C3 Technology® flammable vapor ignition resistant design, plus higher energy factors, increased first-hour ratings, the advanced Intelli-Vent™ electronic gas control, and power-venting capabilities up to 160 feet.

The A.O. Smith ProMax® Power Vent water heater line features patented C3 Technology® flammable vapor ignition resistant design, plus higher energy factors, increased first-hour ratings, the advanced Intelli-Vent™ electronic gas control, and power-venting capabilities up to 160 feet.
Circle 57