Maintenance Guides / HVAC & Air Quality

Replace steam humidifier canister

Difficulty: moderateTime: 20 minsEst. Cost: $40 - $100

Why it matters

Steam canisters accumulate scale that reduces efficiency.

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How to do it

  • 1

    Turn off humidifier system.

  • 2

    Locate steam canister on manifold.

  • 3

    Turn canister counterclockwise to unscrew.

  • 4

    Inspect old canister for mineral scale.

  • 5

    Install new canister clockwise.

  • 6

    Run test cycle and verify steam output.