September 3, 2012
This is Donna with GE and I am happy to help.
As far as features, the most comparable replacement to the JEM31GV is model PEM31DMBB.
Microwave JEM25DMBB would also work well. If your current model is built-in to a cabinet with a trim kit, the new trim would need to be used. The trim kit is # JX827DM.
The new trim kit would need to be used as screw hole locations have changed and cosmetics. The cutout needed is larger in width and the sides may need to be shimmed out or altered slightly.
Should you have any additional questions, please let us know.
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