What is the gallon to use in new toilets according to Federal plumbing standards?  A. 1.6  B. 2.5  C. 3.9  D. 4.3

Break Down the Problem

1. Identify the question about the gallon capacity of toilets according to Federal plumbing standards.
2. Consider the options provided for the gallon capacity.

Relevant Concepts

• Federal plumbing standards typically regulate the water usage of flush toilets to promote water conservation.

Analysis and Detail

• The Energy Policy Act of 1992 set the maximum flush volume for toilets at 1.6 gallons per flush (GPF).
• Any toilet manufactured after this regulation must comply with this standard or use less water.

Verify and Summarize

• Reviewing the options gives:
  • A. 1.6 GPF (meets standard)
  • B. 2.5 GPF (exceeds standard)
  • C. 3.9 GPF (exceeds standard)
  • D. 4.3 GPF (exceeds standard)

Thus, only option A complies with Federal plumbing standards.

Final Answer

A. 1.6 gallons