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reducing the pop-up force that drives debris toward the main drain
Pentair Part Number 27001-0022 Also Known As / Legacy Part Number 27001-0022Z (Pentair formerly Sta-Rite) Part Name NPT Plug Connection Size 1-1/2 in
inspect all mating surfaces for corrosion or deformation before reinstalling
This allows the closure to seat fully without pinching or rolling the O-ring during installation — a common cause of leaks at the tank head
IMPORTANT: PRE-NOVEMBER 1998 FILTERS ONLY
Hayward Manual Air Relief Assembly for SwimClear Cartridge Filters and ProGrid DE Filters | DEX2420MAR2 Youth Floats reducing the pop-up force thatThe Hayward Manual Air Relief Assembly (DEX2420MAR2) is the OEM replacement air relief valve assembly for Hayward SwimClear Multi Element Cartridge Filters and ProGrid DE Filters. This assembly allows trapped air to be manually purged from the filter tank before start up and during routine maintenance. Releasing air from the tank ensures the filter operates at correct pressure and prevents air locks that can affect flow and filtration performance.
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