How To Install Microwave Vent Through Wall. Most of the manufacturer instructions detail specifically how to install a vented microwave oven so make sure to read these instructions and to purchase all of the duct work needed to complete. Remove the glass plate and any other accessories from inside the microwave and close the door.
If installing your microwave in either a roof vented or wall vented setup, it will be necessary to rotate the blower motor to align the vent system for either carefully lift the microwave oven and hang it onto the support tabs at the bottom of the mounting plates.
If there was ever a drawback to having a microwave oven in the kitchen, it was that the appliance claimed too much valuable countertop real estate. As you begin the installation, you'll need to determine whether to vent your microwave through the back of use the template provided with the microwave to mark the hole for the vent duct on the wall or the bottom of the upper cabinet. Modify the cabinet over the stove to allow the duct to pass through by cutting holes on the top and bottom. Proper ventilation is especially important for microwaves installed in an rv or other vehicle.