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For heating water we use geyser and in which we use electric heater elements which heat the water we use different type of electric heater element regarding voltage and regarding element type we use water heater thermostat for controlling the water temperature these thermostat we used for controlling the water heater element. Heating element design the following calculations give a guide to selecting an electrical resistance wire for your application overview heating element design and calculation an introduction to electrical resistance of tape and wire a calculation of element resistance and a temperature resistance table for rw80 also includes downloadable . Supply electricity to the bottom thermostat and element if equipped connect a wire between the high temperature limit switchs 4 terminal and one of the bottom elements terminals connect a wire between the upper thermostats 4 terminal and the lower thermostats 1 terminal connect a wire between the bottom thermostats 2 terminal and the elements second terminal tighten each screw with a phillips head screwdriver. How to do a continuity test for heating elements such as stove pan dishwasher heaters electrical wires fuses etc. Voltage is present at the element check element for continuity using procedures below 1shut off power to range 2remove wire leads from element terminals 3set ohmmeter to r x 10 scale and attach meter leads to element a low ohms reading continuity should be indicated if infinite ohms open is indicated element must be replaced