Pentair System 3 Modular DE Elbow Assembly O-Ring (35505-7438Z) airsupply Helps restore the main body

Helps restore the main body of the multiport valve system

That helps restore dependable control with a direct replacement

or become unreliable under normal operation

A WiFi module is useful because it extends system access beyond the physical topside interface

Pentair System 3 Modular DE Elbow Assembly O-Ring (35505-7438Z) airsupply Helps restore the main bodyRefresh a critical sealing point with this genuine Pentair Pool Products O ring, part 35505 7438Z. O rings are often the first parts to flatten, stretch, crack, or dry out, and replacing them can correct leaks that appear around valve bodies, filter fittings, drain ports, or pump assemblies. Use a pool safe lubricant where appropriate and confirm the part number against the exact Pentair model being serviced. A properly sized seal helps preserve