What is the difference between a standard toilet and a pressure assisted toilet?
A standard toilet relies on the force of gravity to force the water in the tank to drain into the toilet bowl and out the drain. The trap is designed to develop a siphon which sucks all the water out of the toilet bowl. As the tank is filled with new water, some of the water is diverted to fill the toilet bowl again after the siphon is lost. A Pressure Assisted or “Air assisted” toilet fills a pressurized tank with water at the same pressure as your water pipes, usually somewhere between 40-60PSI. When flushed the water is forced into the bowl at this pressure until the water is drained from the tank. The pressurized tank then fills again with water and is ready for the next flush. The pressure assisted toilets rarely back up due to the increased flushing capacity and don’t have many rubber parts immersed in water to go bad, so they have a relatively long service life compared to a standard toilet.
