Understand the Different Toilet Flush Systems Before You Buy

Not all toilets flush the same—and understanding how different toilet flush systems work can help you make a smarter, more efficient choice for your bathroom. Whether you're replacing an outdated model or remodeling your space, the type of flush system you choose can affect water usage, performance, and long-term maintenance.

Here’s a breakdown of the most common types of flush systems, how they work, and the pros and cons of each.

Gravity Flush Systems

How it works:
Gravity flush systems are the most traditional and widely used type. When the handle is pressed, water from the tank flows down into the bowl by the force of gravity, creating a siphoning action that pulls waste through the trapway and into the drain.

Benefits:

• Quiet operation: These systems flush softly, making them ideal for households where noise is a concern.
  Low maintenance: Fewer moving parts means fewer repairs over time.

• Water-efficient models available: Many gravity systems meet modern efficiency standards.

Example:
Check out the K20204WH Gravity Toilet, a classic and reliable choice for everyday use.

Pressure-Assisted Flush Systems

How it works:
Pressure-assisted systems use compressed air inside a sealed tank to force water into the bowl with more power. When you flush, the air pressure boosts the water flow for a more forceful and effective flush.

Benefits:

• Powerful flush performance: Especially useful in homes or facilities that experience frequent or heavy use.

• Less likely to clog: The pressurized flush clears the bowl more thoroughly.

• Efficient water use: These systems often use less water per flush while still maintaining strong performance.

Things to consider:
Pressure-assisted toilets tend to be louder and may require more complex repairs due to the extra mechanical components.

Example:
Explore the K4304WH Pressure-Assisted Toilet, ideal for users who value power and performance.

Choosing the Right Flush System

When comparing toilet flush systems, consider your household’s needs, water efficiency goals, and noise tolerance. Gravity flush toilets offer simplicity and quiet performance, while pressure-assisted systems deliver power and durability—especially in high-use bathrooms.

By understanding the types of flush systems available, you're better equipped to choose a toilet that fits your lifestyle. At SquarePeg, we carry a curated range of both gravity and pressure-assisted models to help you find the right fit with confidence.