Above Ground Pool: Suction vs Robotic vs Pressure

Understanding the three cleaner types

When you shop for a pool cleaner for an above ground pool, you will see three main types: suction-side, robotic, and pressure-side. Each type works differently and connects to your pool equipment in a different way. The listing title usually tells you the type, so knowing what each word means helps you sort through the options.

A suction-side cleaner attaches to the skimmer or a dedicated suction line and uses the pool pump's suction to move across the floor. A robotic cleaner is a self-contained unit that is powered by low-voltage electricity and collects debris in its own filter, so it does not rely on the pool pump. A pressure-side cleaner uses the pressure from the pool pump or a booster pump to move and collect debris, often into a bag or canister.

• Suction-side: connects to the skimmer or suction line, uses the pump's suction.
• Robotic: self-contained, powered by low-voltage electricity, has its own filter.
• Pressure-side: uses water pressure from the pump or a booster pump.

Pump compatibility for above ground pools

The most important factor for above ground pools is whether the cleaner works with your pool pump. Above ground pools typically have a filter pump that may be smaller or less powerful than an inground pool pump. Suction-side cleaners need a certain flow rate to move, and if your pump is too small, the cleaner may not work well. The listing may state a required flow rate or pump horsepower, but you should check the maker's page for the exact figure.

Robotic cleaners do not use the pool pump at all. They are powered by low-voltage electricity and have their own motor and filter, so they work with any pool pump. This makes them a good choice if you are unsure about your pump's capacity or if you want a cleaner that operates independently. For more on how robotic cleaners compare to suction-side models, see our guide to robotic vs suction cleaners.

Pressure-side cleaners can be connected to the return jet or a booster pump. Some above ground pools have a booster pump, but many do not. If a pressure-side cleaner requires a booster pump, you will need to have one installed, which is a job for a pool professional. The listing will usually say whether a booster pump is needed.

Wall height limits for above ground pools

Above ground pools have walls that are typically shorter than inground pool walls. This affects which cleaners can climb the walls. A cleaner that climbs walls needs to be able to reach the top of the wall and then move along it. The listing may mention wall climbing as a feature, but the maximum wall height it can handle is a figure you should read on the maker's page.

For example, a robotic cleaner that climbs walls will have a specified maximum wall height. If your pool wall is taller than that, the cleaner may not reach the waterline. Suction-side cleaners that climb walls also have limits, and the pump's flow rate affects their ability to climb. Pressure-side cleaners may have similar limits. To understand how wall climbing is specified, read our explanation of wall climbing angle.

When comparing cleaners, look for the wall height specification in the listing or on the maker's page. This is a key detail for above ground pools, because a cleaner that works on an inground pool may not suit a shorter wall.

Choosing the right type for your above ground pool

To choose between suction-side, robotic, and pressure-side, start with your pump. If you have a standard above ground pool pump and want a simple setup, a suction-side cleaner that connects to the skimmer is a common choice. If you want a cleaner that does not depend on the pump, a robotic cleaner is a good option, especially if you want wall climbing and waterline cleaning.

Pressure-side cleaners are less common for above ground pools because they often need a booster pump. If you already have a booster pump, a pressure-side cleaner can be a good fit. Otherwise, you would need to have one installed, which is a job for a pool professional.

Consider your pool's wall height and whether you want the cleaner to climb walls. Read the listing for wall climbing claims and check the maker's page for the maximum wall height. Also consider the pool surface, such as vinyl or metal, and check the maker's page for surface compatibility. For a broader look at which surfaces work with each cleaner type, see our article on pool surfaces.

What to read on a listing for above ground pools

When you look at a listing for an above ground pool cleaner, read the title for the type word: suction-side, robotic, or pressure-side. Then look for the pool type, which may say "above ground" or "inground and above ground." If the title does not state the pool type, check the maker's page.

Look for the connection method: skimmer, suction line, return jet, or booster pump. The listing may say "connects to skimmer" or "requires booster pump." Also look for wall climbing as a feature, and note the maximum wall height if it is stated.

The listing may include figures for flow rate, pump requirements, or run time. These are the seller's own claims, so read them as such. For exact specifications, go to the maker's page. If you need to understand pump requirements in more detail, our guide to pump requirements can help.

What to pick for your situation

Questions

Do robotic cleaners work with any above ground pool pump?

Robotic cleaners are self-contained and powered by low-voltage electricity, so they do not use the pool pump, but you may still need pool heaters for comfortable swimming. They work with any pump because they have their own motor and filter.

What is the wall height limit for above ground pool cleaners?

The wall height limit is a specification set by the maker. Read the listing for wall climbing claims and check the maker's page for the maximum wall height the cleaner can handle.

Can a suction-side cleaner work with a small above ground pool pump?

Suction-side cleaners need a certain flow rate from the pump. If your pump is too small, the cleaner may not move properly. Check the listing for flow rate requirements and the maker's page for the pump specifications.

Do pressure-side cleaners require a booster pump?

Some pressure-side cleaners require a booster pump, while others connect to the return jet. The listing will state the connection method. If a booster pump is required and you do not have one, installation is a job for a pool professional.