Compare the anchor-point spacing in the standard Infinity and 514 mm Infinity installation drawings.
The difference is the vertical distance between mounting points. The drawings specify center-to-center measurements:
- Standard Infinity drawing: 22⅜ inches (568 mm) horizontally and 15¼ inches (388 mm) vertically.
- 514 mm Infinity drawing: 22⅜ inches (568 mm) horizontally and 20¼ inches (514 mm) vertically.
Both manuals list the nominal overall width and height as 24 × 32 inches. Those overall dimensions do not establish that the mounting holes will line up.
Use the manual supplied for your unit and measure the actual anchor points before rough-in or drilling. Both drawings warn that anchor locations may vary. Do not assume every model with the Infinity name has the same mounting pattern.
Sources: standard Infinity dual-connection manual and 514 mm Infinity manual, PDF page 4 (anchor drawings) and page 14 (nominal dimensions).