I ordered my Aprilaire Model 500 on a Monday morning and was installing it Tuesday night. That's right...it was on my porch in Michigan the day after I ordered it!
I was very pleased to open the box and find the model 60 humidistat was now included with the 500. It meant a bit more of a pain when it came to wiring, but I'm not one to complain about a free upgrade. The ability to turn on the blower and run the humidifier without a call for heat is a nice option. I have it turned off, since I plumbed into cold water. But it only takes a flip of a switch to turn it on.
The built-in damper is not the best when it comes to sealing the bypass duct. It might not be a bad idea to add another damper in the duct.
This is my third Aprilaire humidifer I've purchased. I installed model 550s in both of my previous homes. The model 500 is an excellent replacement. Overall Aprilaire makes great humidifiers, and discounthumidifiers.com sells them at a great price and ships them very fast!
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1 of 1 people found the following review helpful:
500 contoller has to go in the crawlspace!
March 4, 2011
Reviewer:
bo barry
from concord, NC United States
I recently purchased the model 500 with the automatic controller.
I had visions of the controller going on the wall with the thermostat, but it landed up mounted on the ductwork in the crawlspace!
The instructions mean it when they indicate it has to go ON the ductwork.
However, the manual controller version does mount on the wall.
I think it will be a 'set & forget' deal, and I'm still young enough to get in the crawlspace, so it should be fine.
I think the humidity sensor is a small integrated circuit that could have been separated from the controller, allowing it to be mounted on the wall. An idea for model 501. :)
Bo
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1 of 1 people found the following review helpful:
Works great
February 21, 2011
Reviewer:
Andy Loosle
from North Logan, UT United States
this humidifier does a perfect job, i live in a cold very low humidity area, my family has dry skin, before we installed the humidifier, the air was always dry, everthing had static, after installing it feels great, easy installation, my dad noticed a change in our house after putting it in so we put one in his house, discount humidifiers is awesome to work with as well.
Great product at a great price! 
500 contoller has to go in the crawlspace! 
