Honeywell HM512H8908


TrueSTEAM 12 Gallon Furnace Humidifier

HM512H8908 1485852
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Amps AC12
Includes Humidifier, H8908 manual humidity control, duct template hardware, saddle valve, drain supply water tubing, duct nozzle, mounting bracket, water filter, backflow valve
Cord Length6 ft.
Drain TypeAuto/Manual Flush
ItemFurnace Humidifier
Max. Square Foot Capacity3000
Max. Water Usage12 gal./24 hr.
Mounting TypeMounts Directly on Plenum or Remote up to 20 ft. Away
NEMA Plug Configuration5-15P, 3 Conductor 105DC, 15A Lne Cord
Plenum Opening Required1-3/4" dia.
RequiresFloor Drain or Drain Pump for Flush Water
TypeTrue Steam Humidifier, H8908
Replacement FilterIn-Line Water Filter Part Number, 50028044-00, Plumb in-line scale and sediment filter with quick-connect fittings
Water Reservoir2.5 gal.
UPC 085267313575
Weight 18.500000
SKUs HONHM512H8908, 1485852, HM512H8908, 1485852


The Honeywell TrueSTEAM humidification system provides the high performance and efficiency of steam, with easier maintenance than traditional humidifiers. Unlike other humidifiers, steam from the HM512H8908 TrueSTEAM Furnace Humidifier goes directly into your hot air supply duct, rather than evaporating from a wet pad, which requires less water, allowing you to achieve ideal humidity levels in your home, year-round.

The HM512H8908 TrueSTEAM mounts directly to the duct or remotely up to 20 feet away into tight-fitting or unconditioned air spaces. And the TrueSTEAM installs in minutes, with limited duct cutting and a bracket-mount design. Includes a Honeywell H8908 manual humidity control, duct template hardware, saddle valve, drain supply water tubing, duct nozzle, mounting bracket, water filter and backflow valve.

This Honeywell TrueSTEAM Furnace Humidifier works with RedLINK enabled thermostats and accessories (purchased separately). Uses Honeywell replacement filter 50028044-00.

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