Furrion Greystone GGR17D3MA1B-BL Manuel D'instructions page 12

The minimum distance from the center of the rear burner to the
combustible wall behind the range is 9".
The minimum distance from the center of the rear burner to the
combustible side wall next to the range is 7.25".
All measurements are distances from the center of the cooktop burner.
Rear Wall
9"Min.
7
1/4 "Min.
7 "Min.
1/4
Rev. 4.26.24 12 CCD-0008338