When power is satisfied it is transferred to the lower elements.
Electric water heater temperature control.
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On the other hand the epa suggests turning the thermostat down to 120 to reduce power consumption and a booster heater to reach sanitizing temperatures at select outlets.
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The thermostat has a visible scale and is adjustable byturning the control to the desired temperature.
Electric water heater controls operate off a bi metal switch located in the back of the thermometer.
Turn off the breaker to your rheem water heater inside the breaker panel.
When power is initially turned on to the unit the upper element is energized and heats the water in the upper third of the tank see figure 1.
Check with your municipality for any codes regarding the temperature setting of the water heater.
And most tankless water heaters feature a display with a temperature readout and controls.
Power is sent to the top left terminal and when the thermostat calls for heat power it is sent to the lower left terminal and the upper element energizes.
Remember the recommended minimum temperature is 130 degrees.
Step 3 locate the two covers on the front of your water heater.
The temperature of an tank type electric water heater is controlled by athermostat.
The standard residential electric water heater control circuit consists of a manual reset high limit switch an upper thermostat lower thermostat two heating elements and wires.
On an electric water heater the temperature can be changed under the 2 panels where the heating elements are located.
An electric water heater has two heating coils one each at top and bottom and each needs to be adjusted to the same temperature.
On a gas water heater the temperature can be changed on the bottom of the tank where the temperature dial is located.
The typical thermostatcontrol is adjusted by using a screwdriver.