What rating does a toilet usually have in commercial settings?

In commercial settings, toilets are typically rated at a flow rate of 4 gallons per flush. This rating is established to accommodate the higher usage demands in commercial environments compared to residential settings. The 4-gallon rating is designed to ensure adequate flushing power to handle larger volumes of waste that may occur in public restrooms, offices, or other facilities.

The standard also incorporates considerations for maintaining hygiene and efficiency, keeping in mind the operational requirements of multiple users throughout the day. Consequently, toilets with a 4-gallon flush rating help strike a balance between water conservation and performance in busy commercial spaces.

In contrast, toilets rated at 2 or 6 gallons may not meet the flushing efficiency required for high-traffic areas, leading to operational challenges such as clogs or inadequate waste removal. Thus, the 4-gallon flush rating aligns well with the needs of commercial plumbing systems, ensuring both functionality and compliance with plumbing codes.