A domestic food grinder is designed to attach to a drain with a diameter of how many inches?

A domestic food grinder is typically designed to attach to a drain with a diameter of 1 1/2 inches. This size is standard for most residential plumbing systems, especially when it comes to kitchen sink drainage.

The 1 1/2-inch diameter is preferred because it strikes a balance between minimizing possible clogs and accommodating the waste produced by food grinders. The design of the grinder and the plumbing system ensures that the solids are effectively transported through the drain without causing backflow or blockages, making this diameter practical for everyday use in a home.

This size also aligns with most local plumbing codes, ensuring compatibility and ease of installation with existing drainage systems. Other sizes mentioned may be less common or suitable for different applications, such as industrial setups, which prioritize different flow characteristics.