The pressure switch closes when the proper airflow is achieved signaling the control board to continue the ignition process.
Electronic ignition water heater.
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.
This video provides step by step instructions for replacing the igniter and flame sensor on ao smith gas water heaters.
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.
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.
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.
There are two basic types of electronic ignition systems.
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.
If the igniter fails the burner will not light.
There is a fresh air screen under the water heater in the center.
If the pressure switch is defective the ignition process will stall and the water heater will not light.
Warning make sure there is water in the heating tank before using the water heater for the first time by connecting the rv to a water source checking to see if the bypass valve is open and turning on the on board water pump.
Direct spark ignition is easier and safer than using a pilot flame.
Electronic ignition vs standing pilot modern gas furnaces use electronic ignition systems to light the burners in modern furnaces.
The instructions provided with the kit.
The kit i have personally used with great success in the past is the honeywell conversion kit captioned in the photo above.
The most common reason for replacing.