Gas and electric water heater temperatures are set at the factory but can be adjusted for your own preferences with only a couple of tools.
Dual element water heater settings.
If the high limit switch fails to activate a pressure relief valve typically located against.
If the water within the tank reaches a dangerously high level a switch called a high limit switch will automatically cut the power to both elements.
Replace the insulation and access panel.
If you set the top element too much higher then it will be used most of the time and the bottom element acts more as a pre heater.
Many modern homes come with dual element water heaters.
A dual element water heater uses two heating elements controlled.
I am not sold on the argument that the elements should not be set to different temperatures because that will result in one working harder than the other.
If you have already set the temperature and are saying to yourself i have no hot water or not enough of it there are a few factors that may be affecting the heat.
When you re satisfied with the new temperature setting put everything back the way you found it.
Make sure you do set your thermostats both the upper and lower at the same temperatures.
Make sure the insulation is.
If you only set one of them at a different temperature the other one will always be trying to heat up because of the temperature difference in the upper and lower water.
Lemonplumber fl unless you draw in cold water then the lower wants to kick in just before the circ sends tempered water back to the heater from the loop during day time timer use we have moved away from thermal clips on the circ and aqua stats and are using the 1 4 hour timers.
But i wouldn t go through too big of an effort to change the settings on an old water heater.
Whenever your elements do go or whenever you.
A dual element water heater is a two thermostat system an upper and lower that heats water in its tank one element at a time.
If your water heater makes use of dual heating elements make sure both thermostats are set to the same temperature so that one isn t forced to do more work than the other.
Thermostat setting on dual element heater.
Even if the upper one is set to a higher temp it will not necessarily work harder as it is heating water that has already been heated by the lower element and has subsequently risen.
How to set the upper and lower thermostats on dual element water heaters.
Having them used evenly will spread out the minimum time to replacement.
Water heating selector water heating selector water heating summer settings the water heater shall incorporate a power on dual or two element immersion heaters precise and flexible programming pre programmable automatic boost and one hour manual boost illuminated display for easy reading even in a get content here.
Anything higher could cause problems.
The upper thermostat takes first priority heating the water to a preset temperature before powering up the lower thermostat to heat the water to its final temperature.