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How to find a suitable water heater for home appliances


Any immersion heaters for home use are generally water heating elements that are housed in a safe body to provide heat to a liquid. All of these heaters come in a variety of shapes, mostly dependent upon the type of usage. They also come in a broad selection of kilowatt ratings and mounting procedures that suit the particular device.

Depending upon the type of installation these water heater installations can be categorized as:

  1. Over the side heaters: These are manufactured as per the size of the container. They are installed all the way to the top of the container while the heating part of the unit is at either the bottom of the container or at the side depending upon its design. The liquid inside the container gets heated via the natural circulation of the liquid that distributes the heat evenly. The lead wires and terminals for the power connection are designed with the heating components that are made up of a variety of materials like steel, stainless steel, copper, cast iron or PFA coating. They are the most common type of water heater as they permit easy removal of the element for replacement and any cleaning that may be required from time to time. They are also portable and provide ample space in the tank after installation.
  2. Flanged heater: They are usually in the form of a hairpin that is bent and tubular. They are brazed or welded to be attached with wiring boxes and need to be installed by scramming the matching flange braze to the wall of the tank or the nozzle of the heater. They are used in cases where the heating water or liquid also contains corrosive solutions and are used in pressurized tanks. They are simple to install and can be monitored with ease.
  3. Screw plug heater: These types of immersion heaters are directly threaded into the opening of the container. The water heating elements in this case are used as either welding flanges or as half couplings. They are used where oil is used to transfer heat to the water through a pipe. The size of the heater can be designed as half an inch, one inch, two inches and two and a half-inch pipe threads.
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