115-gallon Std storage tank 5-yr limited warranty, 150 psi max working press. Porcelain enamel lined tank, Heavy duty anode rods, 2" Rigid foam insulation 2" Top / front side water connections 1" NPT T&P opening, 3/4" NPT therm and aquastat opening, 59-1/4" height x 28-1/4" dia. | WH2O