how much does hot water heater tank weigh?
How much a hot water tank will weigh is dependent on how big the hot water tank is. A 50 gallon water tank will weigh around 150 pounds, empty. A 40 gallon hot water tank will weigh around 135 pound when empty.
Water heaters range from 75 lbs for 30 gallon electric > up to more than 200 lbs for electric hybrid.http://waterheatertimer.org//How-to-remove-water-heater-from-attic.html