Pentair Sand Multiport Valve, 1-1/2", Side Mount | 261173 Pool Slide Parts It is designed as the

It is designed as the standard inside-tube component for Roll-A-Chem dosing feeders

Replacing the correct O-ring restores proper sealing inside the wet end

Above Ground

That can make seasonal removal tougher and can lead to cosmetic damage around the socket

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Pentair Sand Multiport Valve, 1-1/2", Side Mount | 261173 Pool Slide Parts It is designed as theWhat This Part Is Used For Pentair 261173 Sand Multiport Valve 1 1 2in, Side Mount is a replacement multiport valve for compatible Pentair sand filters. It directs water flow for filtration, backwash, rinse, and other functions. Why This Part Matters A worn or leaking multiport valve can cause bypassing or external leaks. Replacing the valve restores proper filter operation and clean backwashing cycles. Correct port size ensures proper plumbing