What is the primary design purpose of low flow toilets?

The primary design purpose of low flow toilets is indeed to use less water. These toilets are engineered to function effectively while consuming significantly less water per flush compared to traditional toilets. This reduction in water usage is crucial for water conservation efforts, especially in areas facing water scarcity. Low flow toilets typically use between 1.28 to 1.6 gallons per flush, whereas older models may use up to 3.5 gallons or more. The design aims to maintain effective waste removal while minimizing overall water consumption, contributing to environmental sustainability and efficiency.

Addressing the other options, while flushing solid waste is a function of all toilets, low flow toilets are not specifically designed to increase the effectiveness of this process. Increasing overall toilet height is not a fundamental design goal of low flow toilets, nor is improving flushing speed prioritized in their design. Low flow toilets focus primarily on reducing water usage without compromising performance.