How Does an Immersion Heater Operate?
Definition of an Immersion Heater An immersion heater is any type of electric water heater that uses a heating element actually immersed in the water to generate heat. In general, however, the term is used to apply to a water tank heater that uses electric power. Most heaters nowadays use natural gas or propane because they are cheaper, but electricity does have certain advantages that make it useful for heating in some cases. It does not require ventilation like gas does, and it does not require a natural gas line to work. Immersion Heater Basics Most immersion heaters are set up like conventional gas heaters. They have an insulated tank with one tube to let cold water in and another to let hot water flow out. The whole thing is controlled by a thermostat, which keeps the temperature within a certain range. When the temperature slips too low, the thermostat turns on the heater to warm the water. The Heating Element The main difference between an immersion heater and a gas heater is th
