Note: This question is for the older version of this part, but we thought you might still find it helpful
I did not see the model # listed and I have no idea of the size of the tray-plate. It has to fit on a form that rotates as it heats. How do I know this will fit?
Answer Hello Ruby! Researching your model 721.66292500 the manufacture replacement glass tray used on your appliance is part number 3390W1A012G. Thanks!