The Aprilaire Auto Trac humidifier control. Computer-equipped, completely automated, never needs manual adjustments. The advanced computer technology measures the outdoor temperature and indoor humidity and continually adjusts your homes indoor humidity to its optimum level.
For use with models: 110, 112, 220, 224, 400, 440, 445, 445A, 448, 550, 558, 560, 560A, 568, 600, 700, 760, 760A and 768
Includes:
56 Humidistat
Outdoor Sensor
Manual Mode Resistor
Manual Mode Sticker
Owners Manual and Installation Guide, Cutout Template
Unit dimensions - 6" W X 4" H Plenum opening for unit - 4 9/16" W X 2 13/16"H
Replacement instructions failed to mention on/off switch within unit and the proper position of the switch that would activate solenoid unit for water flow.
1/7/2013
5.0
Simple to Install
By NothingFancy
from Colorado
About Me Homeowner
Pros
Good Fit
Cons
Best Uses
Whole House Humidifiers
Comments about Aprilaire #56 Humidistat:
I am a novice at home repairs, but found the Aprilaire #56 to be simple to install. It helped that I was replacing an older Aprilaire humidistat so the the plenum was already cut and the new Arpilaire fit in the existing hole cut.
2/3/2012
5.0
PERFECT--AWESOME. Thanks.
By sarge
from indiana
Comments about Aprilaire #56 Humidistat:
works fantastic!
1/13/2012
(1 of 1 customers found this review helpful)
5.0
High performance, simple operation
By Satisfied customer
from Fort Wayne, IN
About Me Homeowner
Pros
Energy Efficient
Good Fit
Cons
Best Uses
Whole House Humidifiers
Comments about Aprilaire #56 Humidistat:
This was a replacement unit so plenum opening was already cut. Only needed to drill new screw mounting holes. The builder installed the humidifier control in manual mode so for many years I had to constantly go down to the basement to adjust the setting according to outdoor temps. I installed the outdoor temp sensor that comes with Aprilaire #56 and it performs flawlessly. Set and forget with constant humidity control.
12/28/2011
4.0
Replacement of Previous #56 Humidistat
By Ken
from Independence, MO
About Me Homeowner
Pros
Energy Efficient
Good Fit
Cons
Best Uses
Whole House Humidifiers
Comments about Aprilaire #56 Humidistat:
Replaced original Aprilaire #56 humidistat that came with my Aprilaire 600 humidifier kit (professionally installed); original #56 lasted only through original 5-year warranty period, then failed shortly thereafter--needed replacement less than 30 days after original unit went out-of-warranty. Otherwise, it was a no-problem, hands-off performer. Replacing the #56 was an easy, simple installation. But should this humidistat repeat the same immediate post-warranty failure in five years, I *will not* replace it with another Aprilaire #56.
12/1/2011
5.0
Easy does it
By Country Dan
from Lanark, Illinois
About Me Homeowner
Pros
Good Fit
Cons
Best Uses
Whole House Humidifiers
Comments about Aprilaire #56 Humidistat:
Exact fit. Easy installation. Corrected inoperative humidifier unit.
3/24/2011
4.0
Easy to install & does the job
By GY
from Port Jeff Sta, NY
About Me Homeowner
Pros
Good Fit
Cons
Best Uses
Whole House Humidifiers
Comments about Aprilaire #56 Humidistat:
Install it - set it - it does the job
2/4/2011
5.0
easy DIY fix
By JRN1
from Rochester, NY
About Me Handyman, Homeowner
Pros
Good Fit
Cons
Best Uses
Whole House Humidifiers
Comments about Aprilaire #56 Humidistat:
Used this to replace OEM unit that came with April Aire 560 that quit. Used existing outside Temp probe - ten minute job. needed new holes but gasket covered old ones. wiring was a direct 1:1. Works like new.
1/26/2011
4.0
Good
By BC
from VA
About Me Homeowner
Pros
Good Fit
Cons
Best Uses
Whole House Humidifiers
Comments about Aprilaire #56 Humidistat:
This was a replacement. Consultation for troubleshooting was excellent.
1/5/2011
5.0
What can I say
By Jimbo
from Indianapolis, IN
Comments about Aprilaire #56 Humidistat:
Simple install, only 4 screws and a couple of wire connections. Exact replacement for the old one I had to replace. Looking forward to many years of continued service out of this one.
