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The Differences Between Gravity and Pressure Assist Toilets

Jul 08, 2017  |  By Brham Trim (Medicine Hat)  |  Toilets


If you need to replace your toilet, you may be surprised to discover that there are actually a lot of choices to make. One of these is the decision between getting a gravity toilet or a pressure-assist model.

Chances are that you are familiar with gravity toilets already. Common in many homes, they utilize a tank or cistern that releases its water into the bowl when flushed, pushing waste down into the pipes.

Pressure-assist toilets, by comparison, push highly-compressed water and air out of a specialized tank into the bowl to flush away waste. This system helps avoid clogging and can use less water than gravity toilets, but produces a very loud sound. The special tanks also must be replaced every 10 years, and are notably more expensive than gravity-types.

As person preference will inevitably be the deciding factor for most, we recommend customers compare maintenance costs, noise levels, and water usage between both gravity and pressure-assist toilets before making a decision.