Generic O-Ring [9-3/8" ID x 1/4" Cross Section] (90-423-6142) deltauv Installing the correct Pentair/Letro hose

Installing the correct Pentair/Letro hose can help restore cleaner performance and improve confidence in the feed-line assembly

For compatible valve repairs

A four-button topside panel can make the spa feel simple and dependable again when the original interface has become unreliable

surface cleaning can feel less consistent than it should

Replacing only the damaged half helps preserve more of the original equipment while keeping the repair focused and efficient

Generic O-Ring [9-3/8" ID x 1/4" Cross Section] (90-423-6142) deltauv Installing the correct Pentair/Letro hoseThe Generic 90 423 6142 O ring is designed for compatible sealing applications and features a 9 3 8 inch inside diameter with a 1 4 inch cross section. A seal like this is useful because it restores a larger O ring interface in assemblies where the original ring has worn down or no longer maintains a reliable seal. Larger O rings are commonly found in tank lids, housings, and other broad sealing surfaces where even pressure around the circumference