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Hayward SwimClear C175S

Filter

Model: W3C17502

175 sq ft cartridge filter. 4 cartridge elements. For pools up to 21,000 gallons.

Specifications

filter area175 sq ft
flow rate75 GPM
filter typecartridge

Common Replacement Parts

Part NumberNameCategoryNotesShop
CX875REReplacement Cartridge (4-pack)cartridgeReplace annually or when pressure doesn't drop after cleaning. Clean every 3-4 months.Search in Shop
CX900FFilter Head O-Ringo-ringLube with silicone at every cartridge clean. Replace if tank leaks at clamp band.Search in Shop
DEX2420MAR2Air Relief Valve AssemblyvalveOpen after every pump prime to bleed air. Replace if it won't seal or sprays water.Search in Shop

Schematic & Parts

Schematic Coming Soon

We're working on adding an exploded parts diagram for this model.

Need this part?

Call (469) 455-1054 or chat with our AI assistant for instant help finding the right part, checking availability, or scheduling an installation.

Free checklist

The DFW month-by-month pool checklist

What it covers (12 months · 76 tasks · 12 marked critical):

  • Freeze nights (January and December): keep the pump running, and what to drain if the power goes out
  • The March opening: test everything, brush, shock, then balance alkalinity, pH and calcium
  • Summer: testing two or three times a week, the weekly shock, and what to do after rain or a party
  • Fall leaves, and easing the chemistry down for winter
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