Find the most common problems that can cause a ao smith water heater not to work and the parts instructions to fix them.
Fvir water heater problems.
A sealed burner assembly or flammable vapor ignition resistant fvir unit prevents the ignition of flammable vapors outside the water heater.
If the problem persists then replace the fv sensor.
Printed in the u s a 0108 part no.
Not for use in mobile homes.
Should be directed to the local dealer from whom the water heater was purchased.
You will find two small gas tubes leading to the burner.
The 2002 edition of the national fuel gas code 2003 international fuel gas code has been changed to reflect the new guardian system flammable vapor ignition resistant fvir product.
If the water heater locks you out after it shuts down consider cleaning and reinstalling the air intake screen on the blower assembly.
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Check to see if the wiring for the fv sensor is correct.
The burning vapors literally burn themselves out without escaping back into the room.
In the event of a flammable vapor incident the flammable vapor ignition resistance fvir system disables the water heater by shutting off the gas supply to the water heater s.
1416 18 inch stands and gas water heater installation 1416 technical bulletin abstract.
But there were still thousands of house fires attributed to water heaters each year.
Most of the problems with a rheem gas water heater will be related to the fvir lockout.
With a full line of rheem tank and tankless water heaters to choose from there s sure to be one that s the right fit for your family.
Then see if there are any open circuits to the fv sensor.
With most models your first step should be to press the tco thermal reset button which is located on the front of the combustion door.
Fvir gas water heater flammable vapor ignition resistant for space heating and potable water heating only.
As a result design changes were mandated by the consumer products safety commission cpsc and all 30 40 and 50 gallon gas fired water heaters manufactured after july 1 2003 have been required to have flammable vapor ignition resistant fvir technology.
Within the water heater combustion chamber through the special flame trap.
The next step should be to clean the intake of the water heater.
Water heater unit shuts down.
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Use a flashlight or headlamp to locate the burner.
