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General Filters GeneralAire 4200A Evaporative Humidifier

SKU 4200A
Original price $475.32 - Original price $475.32
Original price
$475.32 - $475.32
Current price $475.32
in stock

The General Filters GeneralAire 4200A Evaporative Humidifier is a powerful bypass evaporative system that delivers an impressive 17 gallons of moisture per day based on a 120°F plenum temperature. With dimensions of 15 1/4 inches in height, 12 inches in width, and 8 1/2 inches in depth, and weighing just 3.5 pounds, it offers a compact and lightweight design for easy installation. 

Specifically engineered for home sizes up to 4,200 square feet, it boasts a plenum opening of 9 1/8 inches in width and 12 inches in height, along with a bypass opening of 6 inches, providing versatility for installation in warm air / return air plenum on either the right or left side. Equipped with a GFX4 digital automatic-control humidistat, this humidifier precisely controls the furnace blower motor for optimal humidity levels.

  • Low-profile cover forces air directly through Vapor Pad® at its warmest point.
  • Stainless steel distributor tube for cold or hot water supply.
  • Redesigned cover and chassis direct hot furnace air through Vapor Pad®.
  • GFI# 5951

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    TypeBypass evaporative
    Gallons per day17 (based on 120° F plenum temperature)
    Dimensions (inches)15 1/4 H x 12 W x 8 1/2 D
    Weight (pounds)3.5
    Vapor Pad® replacementGA35 (GFI #7902)
    Replacement Frequency1-2 times per season
    Home Size CapacityFor home sizes up to 4,200 square feet
    Plenum Opening (inches)9 1/8 W x 12 H
    Bypass Opening (inches)6
    Pallet Quantity (units)30
    InstallationWarm air / return air plenum / right or left side
    ControlGFX4 digital automatic-control humidistat; controls the furnace blower motor
    Power (volts)24
    Warranty (years)5



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