Cheap Aprilaire Humidifier Maintenance Kit for 550 series

Customer Ratings:

I recently bought a house and it has an Aprilaire Humidifier 550. I did some research online on how to maintain it and after looking at mine I figured I needed to replace a few parts. The price for this kit was much cheaper than going direct.

Negatives:

1. There were small protrusions on the sides of the new distribution tray. The old one did not have them and the protrusions prevented the setup from fitting correctly into the humidifier. The problem was easily fixed but cutting out some notches in the protrusions and then everything fit snugly. I am not sure if this is normal and a problem since I may have an older 550 or not but it was a little annoying.

2. I received a manual with the kit (which I did not expect to get) but it for was other model Aprilaire Humidifiers and I don't think it covered the 550. Which is no big deal since I didn't need a manual. Just thought that was odd.

Positives:

All in all I got it up and going quickly with this kit.

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The HVAC company did a winter tuneup on our furance. They mentioned our Aprilaire 550 humidifer wasn't working and quoted $230 to repair it (including a new solonoid). I bought this maintence kit and a new solonoid on Amazon all for $70 including shipping. Simple 30 minute install and the humidifer is working like new again. This maintenace kit has everything you need including correct orifice and couplings. I'll definitly do my own humifier mainteance from now on with this kit.

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Purchased along with a solenoid, completely retrofitted the Aprilaire 550 humidifier in new home we moved into. It's like brand new now....excellent quality parts.

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Confirmed that I have a 550 model humidifier and everything fit together nicely except for the water distribution tray fitting into the scale control insert. The insert is just a bit too wide and deep by about a 1/4 inch but it did not make that big of a difference to fit into the humidifier. No one will notice anyway and it works as it should. Just be sure to use a hair dryer for the feed tube as it does not seem that pliable.

Aside from the slight fitment issue, it is nice having everything nice and new inside and ready to go. I just moved into this house and who knows how long it's been since the existing was replaced.

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Bought this kit instead of calling a repairman. Kit had all parts and fully detailed instructions. I figure that I saved over $100 doing this myself