Autoflo 40W Humidifier Parts
The Autoflo 40W humidifier is a whole house power style humidifier. This model uses a fan inside it to draw air across the humidifier pad and back into the furnace plenum. Water is recirculated from a water tray in the base of the unit to the top of the humidifier filter. It is important to replace the humidifier filter at least once per year with a new Autoflo 40W humidifier filter available on this page. This humidifier is old and obsolete. Many parts are no longer available. We recommend the Autoflo 250 or the Autoflo SC15 to replace it. You will need to do a little modification to use either one.
Owner's Manuals
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Find your parts visually View parts list
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AutoFlo 040260 Solenoid Valve Assembly
040260DISCONTINUED -
AutoFlo 040460 Fan Blade
040460DISCONTINUED -
AutoFlo 040610 Pump Motor Assembly
040610DISCONTINUED -
Autoflo 250 Humidifier
250On Sale $11,999.99 -
4001 Saddle Valve
4001On Sale $18.60 -
Autoflo 401972 Float Valve Assembly (replaced by #188)
401972On Sale $11,999.99 -
Autoflo 40410 Fan Motor
40410On Sale $11,999.99 -
Autoflo 40EP Humidifier Filter
40EPOn Sale $29.99 -
50333 Multi Tap 24 Volt Transformer
50333On Sale $85.00 -
Autoflo SC15 Humidifier
SC15On Sale $11,999.99