What is the maximum gallons per minute (GPM) allowed for shower heads under federal standards?

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The maximum flow rate for showerheads under federal standards is established to promote water conservation while still providing adequate performance for users. The value set for showerheads is 2.5 gallons per minute (GPM). This regulation is aimed at reducing water usage without compromising the quality of the shower experience. The implementation of water-efficient fixtures like showerheads that adhere to this standard plays a crucial role in overall water-saving strategies in residential and commercial buildings.

The significance of the 2.5 GPM limit lies in its balance between efficiency and user satisfaction, making it a pivotal regulation in the realm of energy auditing and home efficiency improvements. Understanding this standard is essential for energy auditors when assessing the water efficiency of plumbing fixtures in buildings.

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