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Pentair EV953440 & EV953412 (EC110) Prefilter Cartridge Replacement Guide

The Everpure EC110 (EV953440, 40 Pack; EV953412, 12 Pack) is a 10-micron sediment prefilter cartridge for Everpure E-10 and most 10" drop-in filter housings. It's designed to extend the life of your primary filter cartridge by catching dirt and rust particles before they reach it, and is commonly used in high-sediment foodservice applications.

Step-by-Step Replacement Guide

  1. Shut off the water supply to the housing and relieve pressure by opening a nearby faucet or the housing's pressure-relief button until flow stops. Place a bucket under the housing to catch residual water.
  2. Using a housing wrench, unscrew the sump (bowl) from the filter head by turning it counter-clockwise, then remove the old EC110 cartridge from inside the sump.
  3. Inspect the O-ring on the sump for wear or debris, cleaning or replacing it as needed to ensure a proper seal.
  4. Drop the new EC110 cartridge into the sump, then thread the sump back onto the filter head, hand-tightening until snug.
  5. Turn the water supply back on slowly and check the sump and fittings closely for leaks.
  6. Run water through the system at full flow for 5 minutes to flush out loose sediment and carbon fines before returning it to service.

Looking for a genuine Everpure EC110 prefilter cartridge? Shop here.

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