A.O. Smith ProMax Side Loop Power Vent Gas WH

A.O. Smith ProMax Side Loop Power Vent

Gas Water Heater


Our ProMax® specialty vent gas water heaters can be installed almost anywhere in your home because they can vent up to 40 feet. Our direct-vent models feature two-pipe combustion systems that draw clean air from outside the home, eliminating any worries about indoor ventilation. 

  • Vents using installer-friendly plastic material.
  • Advanced Intelli-Vent™ gas control valve with rugged silicon nitride hot surface igniter.
  • "Environmentally-Friendly" Green Choice® gas burner reduces NOx emissions by 33% compared to standard burners.
  • Piezo igniter for easy “no match” pilot ignition.

Tech Specs


Gallon Capacity:

40 - 74

First Hour Delivery: 80 - 114

Recovery Rise @ 90°F (Gallons):

53 - 86

Energy Factor: 0.65

Input BTU/HR Natural Gas:

50,000 or 80,000


Height (Inches):

63 - 66

Weight (Lbs):

166 - 245
Diameter (Inches): 20 1/2 - 25 1/2