Patent ID: 6591788
Filing Date: 2003-07-15
Classification: F24H,F28D,Y02E

Abstract:
A water heater comprising:a substantially cylindrical water storage tank having a horizontally-extending tank longitudinal axis and having an inside length; an inlet tube positioned near the bottom of said water storage tank and extending inside said water tank substantially the entire inside length of said water tank, wherein said inlet tube includes apertures; a U-shaped flue tube extending into said water tank, said U-shaped flue tube including first and second substantially straight leg portions, each of said leg portions including a horizontal leg longitudinal axis, said leg longitudinal axes being substantially parallel to each other and together defining a non-vertical flue plane; and a gas fuel burner for burning gas fuel and creating products of combustion, said burner communicating with said flue tube such that the products of combustion flow through said flue tube to heat water in said water tank.