Then, oven and range should be heated as hot as possible for a half hour. If there is a broil setting, use it. Continuous cleaning ovens must be kashered in the same manner as regular ovens. Then the oven should be turned on until the water disappears. A microwave oven that has a browning element cannot be kashered for Pesach .
Authorities disagree as to the method for kashering drinking utensils.
One opinion requires soaking in water for three days, changing the water every 24 hours. The other opinion requires only a thorough scrubbing before Pesach , or putting them through a dishwasher. One opinion is that it must be kashered . After a thorough cleansing, there should be water boiled in them which will overflow the rim. The other opinion is that only a thorough cleansing is required.