How to Replace a Gas Stove
If you’re nervous about the idea of disconnecting a gas line in your home, whether for a remodel or a small project, you have a good reason. Many homeowners immediately call a professional when it comes to gas lines, gas stoves, and even small things like changing a damaged igniter. This is because natural gas is highly combustible, and when handled badly could cause explosive damage to the entire house.
While any homeowner can change their stove igniters, installing a gas stove can be a DIY task for those who are mechanically confident. When it comes to gas appliances, ignorance isn’t bliss. Even those who intend to hire a professional should know the basic procedures surrounding the maintenance and installation of their gas appliances.
In order to disconnect your gas appliance, you must first turn off the valve installed on the part of the line that runs to your appliance. This valve is required in most home codes. If for some reason you do not have a shutoff valve for your appliance, you should shut off the gas line that runs to your home. This is most often located outside with your gas meter.
- Turn of the gas valve to your stove. Some people prefer to turn off the gas to their entire home as an added measure.
- Make arrangements for your gas stove to be lifted out of place. For a range oven, this will mean removing it from the safety brackets that hold it in place against the wall. For a countertop-integrated stovetop, this will require loosening the unit to lift it out of the counter.
- Unscrew the connector of the gas line to the stove. At this point, also be sure to unplug the stove’s electrical connection as well.
- Inspect the gas line for any kinks, cracks, and bends. If it’s even slightly damaged, it must be replaced.
- Plug in the new stove, and screw the gas connector into the new stove.
- Reinstall any safety brackets that come with your new stovetop model.
- Turn the gas valve back on.
- Check for any gas leaks.
Exhaust ventilation can prevent possible combustion problems. All kitchens should have some form of exhaust ventilation. Range hoods that vent directly to the outside are the most common and effective for ventilating gas stoves. If you are putting in your first gas stove, see our tutorial on how to install a range hood.
If You Detect a Gas Leak
If you have used the soap test and noticed significant bubble activity, you have a leak. If a leak is detected:
- Turn off the gas supply, and then wipe off the bubble solution.
- Tighten the connection where you found the leak.
- Once tightened, slowly turn the gas back, and apply more leak detection solution to check for further leaks. If there is another leak, repeat the process.
- Wait at least ten minutes to light any pilots or any burners once all connectors are installed. This will allow the vapors to dissipate.
When replacing an igniter, you should always use manufacturer recommended parts that are compatible with your stove.
- Unplug the stove’s power cord and shut off its gas valve.
- Remove the cooktop grates and lift off the burner caps. Set aside for later.
- Remove the nuts or screws that keep the burner head in place. Once these are loose, you will be able to remove the burner heads. It’s a good idea to know where these go back. You can use masking tape to mark them.
- Remove the screws that secure the cooktop, and take any other measures that you need to be able to pop the cooktop off. For many models, you will need to undo clips. When in doubt, refer to your manufacturer’s handbook.
- Lift off the cooktop and set aside.
- Carefully detach the wire attached to the bottom of the spark igniter electrode.
- Release the metal clip that holds the igniter into the burner, and remove the igniter.
- Install the new one in its place, and secure it with the metal clip.
- Reconnect the wire to the bottom of the new igniter.
- Reattach the cooktop, retracing your steps with clips and screws. Tighten all screws.
- Reposition the burner heads, and screw them into place. Then cover them with the burner caps and replace the grates.
- Reconnect gas and power.
Fixing the gas lines in your home can save you the premium pricing of hiring plumbers and other professionals. While some fixes are more simple, such as replacing a gas stove, or an igniter, other fixes are more involved and could require permits and professionals. Take care to always work safely and cleanly when it comes to your gas lines.
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