Maintenance Guides / Plumbing & Water

Service whole house carbon filter

Difficulty: moderateTime: 20 minsEst. Cost: $40 - $80

Why it matters

Spent GAC stops removing chlorine, pesticides, and VOCs and can harbor bacteria.

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How to do it

  • 1

    Turn off water supply at main shutoff valve.

  • 2

    Locate filter housing and unscrew cartridge using filter wrench.

  • 3

    Rinse out housing with clean water.

  • 4

    Insert new carbon filter cartridge.

  • 5

    Reattach housing and turn water back on.

  • 6

    Run water for 2 minutes to purge air.