Aladdin Generic Gasket [7-7/16" ID x 8-1/8" OD] (O-174) ozone and this Herga Electric version

and this Herga Electric version uses the 6871-AEF-U526 configuration with C21A reference 5310001

Fits compatible SP1090 and SP1092 skimmers

This type of part is especially useful during valve replacement or system upgrades where serviceability matters as much as flow control

Replacement topside overlay for Balboa VL403 controls

Aladdin Generic Gasket [7-7/16" ID x 8-1/8" OD] (O-174) ozone and this Herga Electric versionCorrect gasket sizing is critical for dependable leak prevention and equipment reliability. This Aladdin Generic Gasket [7 7 16" ID x 8 1 8" OD] (O 174) is engineered for gaskets applications, where maintaining proper fit, sealing performance, or debris control is essential to overall system reliability. It supports consistent operation by helping protect connected equipment and maintain intended function. Constructed for durability in pool and spa