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What is the minimum drain diameter for commercial food-waste grinder units?
1 inch
1½ inches
2 inches
3 inches
The correct answer is: 2 inches
The minimum drain diameter for commercial food-waste grinder units is standardized at 2 inches. This specification ensures proper drainage and effective waste removal, minimizing the risk of clogs or backups in the plumbing system. A 2-inch diameter allows for the passage of waste materials generated from food preparation, which can be substantial in commercial settings. Larger drain diameters facilitate the movement of heavier materials and prevent blockages that could arise with smaller drains. In commercial applications, particularly where equipment like food-waste grinders is involved, compliance with these specifications is crucial for maintaining proper function and adhering to plumbing codes. The design considerations account for the volume of waste produced and the need for adequate drainage to promote efficiency and sanitary conditions.