How to Install a Wall Oven and When to Call an Electrician

Settle the fit before the lifting

An empty cabinet opening gives you a chance to settle fit before you're handling a heavy appliance. We'd compare the opening with the new oven's requirements first, because width, height, depth, support and ventilation all affect whether that space is suitable.

Use this sequence alongside the installation instructions for your specific appliance. Details change with the make, model and single, double or combination configuration. Following those instructions helps prevent improper installation, product damage and personal injury.

When to bring in an electrician

Before committing to the work, check your local government ordinances and codes to confirm you're allowed to proceed. Taking on the installation yourself calls for another person's assistance and some experience installing appliances or working with electrical wiring.

If you're uncomfortable with appliance installation, arrange professional installation. For a Maytag purchase, you can review the option for professional installation (opens in a new tab) before deciding how much of the job to undertake.

Call an electrician if you haven't done this kind of electrical installation before, you're unfamiliar or uncomfortable with the wiring, or significant electrical work is needed. That decision belongs in your planning, before you reach the connection stage with the oven waiting beside the cabinet.

What your cabinet needs to accommodate

Measure both the available cabinet opening and the new oven. Wall ovens typically come in 24-, 27- and 30-inch widths, while height varies with single, double and combination designs. Use the actual cutout requirements to decide fit, rather than the width class alone.

Keep your measurements beside the appliance's requirements so you can compare each dimension separately. Your cabinet or built-in wall also needs adequate structural support and room for the cooking cavity and electronic parts.

Get the exact measurements and clearance requirements from your appliance's installation instructions. For a JennAir oven, use your model number to find installation documents through the product-literature resources (opens in a new tab). Keep the instructions available for the later door, feet and connection details too.

Check the supply, then verify power is off

For an existing oven circuit, note the amperage marked on its breaker. GE's planning guidance states that a new oven cannot exceed that amperage without a new circuit breaker and wiring. Compare this with the new appliance's requirements before arranging the hookup.

Before installation work begins, switch off the oven's electrical supply at the fuse or circuit box. Use a non-contact electrical tester to verify that the power is off. Both actions belong before handling the installation, with verification confirming the shutoff.

Make room for the oven and your helper

Clear the path around the installation space so you and your helper can move the appliance without obstructions. Make room near the cabinet for the unpacked oven, with its flattened shipping box or a blanket underneath to help protect the floor.

Carefully remove the packaging and place the oven on that protected area with assistance. This gives you a place beside the installation opening to prepare the new appliance before its final lift.

Keep your helper involved in the handling stages. Assistance is part of the preparation, the tilt needed for foot placement and the lift into the cabinet, where two people share the oven's weight.

Prepare the new oven's doors

Remove the new oven's door to make lifting and positioning easier. For a double or combination oven, prepare both sets of doors as directed for that appliance. Follow your model's door and hinge removal instructions, since the release method varies.

Place each removed door handle-side down on cardboard or a blanket. Have that protected spot ready before removal so the doors have somewhere to rest while you work on the oven.

Treat door removal as preparation for moving the oven into place. The doors go back on during final assembly, along with the trim, before you restore power.

The junction box needs an accessible location

Locate the junction box and compare its position and accessibility with the electrical requirements for your appliance. Both matter at this stage: the connection location needs to meet the model's requirements, and the wiring must be accessible for the hookup.

Maytag's general installation guidance places the junction box 3 inches above or below the cabinet cutout. Use your specific appliance's electrical requirements to confirm the permitted location before proceeding.

If you can't see the box, it may be behind the drywall. Contact a qualified electrician when access needs to be opened up, so the box and wiring can be reached for the connection.

Set the feet before the electrical connection

With a second person's help, carefully tilt the new oven onto its back on cardboard to help prevent damage. Attach or configure the feet using the instructions for your model and your measured cutout height.

Foot placement depends on the opening's height and whether you're installing a single or double oven. Use the applicable configuration in your installation instructions so the feet are set for the opening you've already measured.

After the feet are prepared, the electrical connection comes before the final lift into the cabinet. Have the person completing that connection follow the appliance's installation instructions for the wiring and hookups. If the connection becomes difficult or unclear, get qualified professional help before continuing.

Secure and reassemble before turning it on

With the connection complete, bring your helper back for placement. The finishing order matters: positioning and fastening come before reassembly, and reassembly comes before restoring power.

1. Lift the oven into the cabinet opening together to distribute its weight. Check that it's level and properly aligned.
2. Secure the anchoring screws with a drill so the oven stays in place. Reattach the doors and any trim, leaving the appliance fully assembled.
3. Restore power and perform an operational check of the appliance. Confirm that the oven operates.

For everyday cooking after installation, follow our guide to preheating your oven. If the completion check instead leaves you with an oven that isn't heating, use that separate guide for the next checks.