Best Pool Skimmer Vacuum Plate (Skim-Vac)

A pool skimmer vacuum plate (skim-vac) is the small disk that seals over the skimmer basket and lets you connect the vacuum hose directly to the suction line. Without it, you lose suction during vacuuming because air leaks past the basket. Picking the right one for your skimmer takes 30 seconds — if you know what to look for.

How a skim-vac works

Normally, water enters your skimmer over the weir and is pulled down through the basket into the suction line. When you vacuum, you want to use that suction line as the vacuum’s source. A skim-vac plate sits over the basket and seals the skimmer cavity, forcing all the suction through a port on the plate that your vacuum hose connects to. No air leak, no lost prime.

Sizing a skim-vac

Skim-vac plates are sized to the inside diameter of the skimmer opening — the round hole where the basket sits. Most residential skimmers fall into two sizes:

• Standard (7″–8″): fits Hayward Auto-Skim, Pentair Bermuda, and most older skimmers.
• Wide-Track (9″–10″): fits Hayward Wide-Track and newer commercial-style skimmers.

If your skim-vac is loose, water leaks past it and you lose suction. If it’s too tight, you can’t seat it on the basket lip. Measure the skimmer ID before ordering.

Hose attachment port

Plates come with either:

• 1.25″ barbed port — fits the most common residential vacuum hose.
• 1.5″ barbed port — for larger pools or 1.5″ hose setups.
• Universal port — accepts either size with a swivel adapter.

Related vacuum and skimmer gear

Common skim-vac mistakes

• Forgetting to prime the hose first. Air in the hose means lost prime once it reaches the pump.
• Using a worn plate. Older plates with cracked gaskets leak air; replace the plate or its gasket.
• Mismatched skimmer size. A standard plate on a wide-track skimmer won’t seal.

For full vacuuming step-by-step, see our manual vacuum tutorial.