Point/Counterpoint: Pressure-Assist vs. Gravity Activation Toilets
Two industry experts provide information on the benefits of pressure-assist and gravity activation toilets.
Because water supplies had always been thought of as limitless, until the 1970s, almost all water closet designers only concerned themselves with style. This, combined with unrealistically low user cost, resulted in no incentive to conserve water. Back then, the common w.c. consumed between five and eight gallons per flush (gpf). In 1972, the typical single-family house consumed about 1,300 cubic-feet of water monthly. The cost to the homeowner (water and sewer combined) amounted to only about $87 a year.