Hayward 1090 Series Auto-Skim Skimmer Basket (SPX1099B) gfci Air controls like this are

Air controls like this are used to manage the amount of air introduced into the system

this true-union spring check valve helps restore dependable one-way flow control and contributes to better overall plumbing reliability

supporting dependable water flow and cleaner operation

The spa may heat inconsistently

Hayward 1090 Series Auto-Skim Skimmer Basket (SPX1099B) gfci Air controls like this areThe Hayward Auto Skim skimmer basket is designed for compatible 1090 Series skimmer applications where the debris catching basket needs replacement. A basket like this is useful because it helps collect leaves and larger debris at the skimmer, making routine maintenance easier while helping protect downstream pump and filter components. This replacement is especially useful when the original basket is cracked, broken, warped, or missing. Replacing it