Autoflo 40 Humidifier Parts
The Autoflo 40 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 40 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 188 Float Valve Assembly
188DISCONTINUED -
Autoflo 401490 Door Hardware Kit
401490On Sale $30.00 -
Autoflo 401839 Frame
401839DISCONTINUED -
Autoflo 401972 Float Valve Assembly
401972DISCONTINUED -
Autoflo 40410 Fan Motor
40410DISCONTINUED -
Autoflo 40910 Water Pan
40910DISCONTINUED -
Autoflo 40EP Humidifier Filter
40EPOn Sale $29.99 -
Autoflo 52000 Humidistat
52000DISCONTINUED -
Autoflo 62000 Humidistat
62000DISCONTINUED -
4001 Saddle Valve
4001On Sale $11.76 -
50333 Multi Tap 48VA Transformer
50333On Sale $35.38 -
Diversitech IQP-120 Condensate Pump
IQP120On Sale $109.20 -
20022 Transformer
20022On Sale $31.80 -
Autoflo 015180A Saddle Valve
015180AOn Sale $19.64