Under Duct Humidifiers on a 90+ furnace are practical, inexpensive, and easy to install

Model 55 UD

 

Model 55UD

Visit the Tech Lit Downloads page for owner’s manual, installation instructions, tech sheet, and parts list.

 

86UD_wht_200tModel 86UD

Visit the Tech Lit Downloads page for owner’s manual, installation instructions, tech sheet, and parts list.