Microwaves over the range otr typically vent in two different ways.
Can you vent an over the range microwave outside.
Slide the vent cap into place and secure it with.
Microwaves are shipped from the factory to vent out the top vertically but can also be vented out the rear horizontally.
All over the range spacemaker microwaves can be vented to the outside using an equivalent total of 140 feet of rigid 3 1 4 x 10 rectangular or rigid 6 round ducting.
The tools and parts were pretty cheap.
Many times an over the range microwave that recirculates cooking fumes can be converted to exhaust to the outside.
Mount a tube of outdoor quality silicone sealant into a caulking gun and run a zigzag bead of silicone onto the rear facing flange of the vent cap.
Over the range microwaves have a light and fan built into the bottom of the appliance.
If rectangular ducting please note.
I like to cook.
So one small home improvement that has improved my life a lot has been venting the over the range microwave fan through the exterior wall.
In the first example the microwave over the range otr will vent through the manufacturer installed grease or carbon filter then directly through an exhaust port that is ducted to the outside of the structure.
If you have an over the range microwave it should have an exhaust fan that vents to the outdoors.
Remove the access plate on the top of the unit in order to reach the motor.