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Cleaning water heater air intake screen.
Know that a tankless water is not a set it and forget it water heater.
The rinnai is typical.
Cleaning the air filter and flame arrestor.
Remove the clip on perforated air intake screen from the base of the heater.
How to clean hot water heater air intake screen duration.
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Turn the water heater gas control knob to off and allow the burner area to cool see figure 2.
Where combustion air is drawn in through the air intake screen s and flame arrestor.
Visual to show the screen that becomes restricted and chokes off inlet or combustion air to the burners.
Gas control knob top view figure 2 2.
Cleaning burner on the gas water heater duration.
The flame arrestor is a made from a fine metal screen or ceramic plate that can become clogged with dust or lint.
You should visit the heater at least once every three months.
To remove the face plate you have to first unscrew all the screws and then lift upwards to unhook the top of the face plate from the top of the tankless water heater frame.
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The second will cover the steps necessary to clean the combustion chamber.
Clean out all dust and debris from under the burner with a vacuum cleaner.
Water heaters have an air filter.
This will expose the inside of the water heater.