Humidifier – GeneralAire 1137LH

Flow Through Manual Power Humidifier, Legacy Series, Model: 1137LH, 16 in. Width, 14 in. Height, Plastic Cabinate, 18 gpd Capacity, Depth: 10 in., 120 VAC Volts, Up to 3000 sq-ft Coverage Area, 15 in. Width x 9-1/2 in. Height Plenum Opening, 6 in. Bypass Opening, Humidifier, MHX3C (GFI #7038) Manual Humidistat, Installation Instructions, 990-13 (GFI #7002) Vapour Pad, Parts Kit, Water Tube Kit, Humidistat Wire, Drain Pan, Power Supply Cord, Water Distribution Trough Includes

  • 18 GPD based on 120F plenum temperature
  • Warm air plenum installation
  • DuraPlast ultra-violet stable automotive grade plastic cabinet construction
  • 5 years warranty


GeneralAire 1137LH Plastic Cabinate Flow Through Manual Power Humidifier, 18 gpd, 120 VAC, Up to 3000 sq-ft Coverage

Humidifier Catalogue

  • Width: 16 in.
  • Height: 14 in.
  • Material: Plastic Cabinate
  • Bypass Opening: 6 in.
  • Capacity: 18 gpd
  • Coverage Area: Up to 3000 sq-ft
  • Depth: 10 in.
  • Plenum Opening Size: 15 in. Width x 9-1/2 in. Height
  • Volts: 120 VAC

How the 1137 Works:
A fan inside your GeneralAire® 1137 Elite Series Flow Through
Humidifier pulls warm air from your furnace through the water soaked Vapor Pad®, where it absorbs additional moisture. The
moistened air then returns for distribution throughout your home
via your home’s duct system.