If the igniter fails the burner will not light.
Electronic ignition water heater.
Direct spark ignition is easier and safer than using a pilot flame.
Conversion of a water heater to electronic ignition once you have the 24 volt power source for the new control and gas valve you should follow the instructions exactly.
The most common reason for replacing.
One can still purchase a gas furnace or water heater with the old standing pilot ignition systems these systems have been proven reliable and safe over time.
The kit i have personally used with great success in the past is the honeywell conversion kit captioned in the photo above.
12 volt control switch 12 volt on off switch mounted inside for convenient control of water heater gas ignition and powers the electric element circuit from the comfort of your rv combination gas and electric with motor aid the advantages of a combination water heater plus the coach s motor heats up your water while driving.
The dsi circuit board closes the gas valve automatically as soon as the set temperature is reached.
If the pressure switch is defective the ignition process will stall and the water heater will not light.
There is a fresh air screen under the water heater in the center.
This video provides step by step instructions for replacing the igniter and flame sensor on ao smith gas water heaters.
The instructions provided with the kit.
Some water heaters use an igniter to ignite the gas.
The pressure switch closes when the proper airflow is achieved signaling the control board to continue the ignition process.
Have an ao smith waterheater with an electronic ignition and it works fine then all of a sudden it dont work at all so then i go thru the lighting instructions and it fires back up and works fine 4 about a week and then does the same thing.
Electronic ignition vs standing pilot modern gas furnaces use electronic ignition systems to light the burners in modern furnaces.
In reality pilot lights are largely a thing of the past for gas powered furnaces as well as for most other gas burning appliances such as stoves and water heaters today s furnaces ignite the gas through different technologies known collectively as electronic ignition systems.