Electric water heaters work on a different principle as there is no burner, and no heat exchanger, no flue system is required. Electric water heaters typically employ two immersion elements. One is near the top of the tank and the other is near the bottom. These elements provide the heat and, for the most part, the water configuration is the same as on a gas or oil system.
08/09/2020 · Most commonly, the boiler is defined as a closed vessel into which water is heated the point it is converted into steam at the imperative pressure. The boiler function is either to produce hot water or steam. Hot water boiler heats water for the domestic or commercial purpose heating and hot water