A:Answer Hi there! Thanks for checking, we'd be happy to help. Your older model's cutout dimensions are as follows: Cabinet width: 27", Cutout width: 25" min., height: 41 1/4" max, depth: 23 5/8" min. Cutout location from floor, minimum, 22". - It looks like your old model was a microwave/wall oven combo unit. The cutout space needed for the new double wall oven that you're looking into is: (w x h x d) (in.) 25-1/4 x 50-1/8 x 23-1/2, cabinet width: 27", cutout location from floor: 13 1/4" min. - We found a microwave/wall oven combination unit that you may like, you can take a look at it by searching for: JK3800SHSS. - This unit's cutout dimensions are as follows: (w x h x d) (in.) 25 x 41-1/8 x 23-1/2, cabinet width: 27", cutout location from floor, minimum, 21 5/8". We hope that this is helpful and that you're staying safe. -Michael@GEA