Aprilaire Humidifier Replacement Guide

 

Do you have an old Aprilaire humidifier that is over warranty and beyond repair? Companies come out with new models and series of products all the time, constantly trying to make their products more user friendly, efficient and effective. However, that becomes troublesome when you look to replace your current humidifier and find that it is no longer manufactured. Below is a guide to show you what new Aprilaire humidifier model replaces your old model.

 

New Aprilaire Replacement Models  Old Aprilaire Models       
 700 Automatic / 700 Manual  110, 112, 700, 760, & 768
 600 Automatic / 600 Manual  220, 224, 440, 568, & 560
 500 Automatic  500 & 550
 400 Automatic  445

 

Okay, so you see the new model that replaces your old Aprilaire humidifer, but will it fit the hole that is already in your ductwork? Great Question… Below we have the Plenum Opening (or opening in duct work) sizes so you can be sure you are getting the best replacement for your home.

Aprialire Model Number Width Measurement Height Measurement
 110  13 58  11 1316
 112  19 38  12 1516
 220 10 18  11″
224  15″  12 38
400 Automatic & 400 Manual 9 34  12 12
 440  13 34  11 14
445  13 34  11 14
550, 500 Automatic, & 500 Manual  9 38  9 12
 560  9 34  12 12
 568  9 34  12 12
 600 Automatic & 600 Manual  9 34  12 12
 700 Automatic & 700 Manual  14 78  14 316
 760  14 78  14 316
 768  14 78  14 316