1 Exposure to mercury â even small amounts â may cause serious health problems, and is a threat to the development of the child in utero and early in life. 2  Mercury may have toxic effects on the nervous, digestive and immune systems, and on lungs, kidneys, skin and eyes.
The microwave should be installed with 30 inches between the top of the microwave/hood combination and the top of the cooktop. Please feel free to let me know if you need further assistance. Thank you for using ManageMyLife.com.
Long story short: To install an over-the-range microwave oven, you need to have enough space between wall cabinets flanking the range and between the cooktop and ceiling. There should be a cabinet or shelf above the spot where the microwave will be installed so that you can fasten the top of the microwave to it.Most OTR microwaves are just under 30 in. wide; heights vary from about 10 to 18 inches and depths vary from 12 to about 18 inches.t least one existing rule allows a minimum of 13 inches, but pro installers and others who know their way around kitchens argue that there should be 20 to 24 inches of clearance above the stove top. (A note from NH: I received a note on this height issue from a reader so some clarification is necessary.