This Warming Drawer Heat Deflector must be used if your warming drawer is installed directly beneath a wall oven. This stainless steel universal deflector measures 27" W and protects the items inside the warming drawer from becoming overheated or damaged by the oven. This accessory kit can be used with many warming drawer brands and models; check to see if your model number is compatible. Installing this accessory will require basic hand tools, some disassembly of the warming drawer and novice repair experience. You must unplug the warming drawer or shut off the house circuit breaker for the appliance before installing this part.