20 Most Recent Aprilaire 550 Humidifier Questions & Answers

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550 Humidifier Manual

Aprilaire 550 Humidifier | Uploaded on Sep 24, 2018

0 Answers

Aprilaire 560. just replaced

Aprilaire 550... | Posted on Jul 21, 2017 | Be the first to answer

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Wasting water

Aprilaire 550... | Posted on Jun 27, 2017 | Be the first to answer

1 Answer

Water keeps running into humidifier even furnance blower is not

This sounds like, the 550 transformer is not connected to the blower motor power connection (in parallel)

Aprilaire 550... | Answered on Feb 09, 2017

2 Answers

Why am I getting water blowing into the furnace and flooding the floor? This is happening after 12 years of service.

Hello, this can be either a clogged drain line or the tubing supplying the water into the humidifier is cracked. The size of the house has nothing tomdo with the water leaking into the Furnace.

Aprilaire 550... | Answered on Mar 21, 2015

2 Answers

1/4" flexible copper pipe. Tap into your cold water line using the included saddle valve (pierces the pipe), attach the 1/4" flexible copper pipe to the saddle valve on the cold water pipe and the solenoid valve on humidifier unit using the included compression fittings. Tada!

Aprilaire 550... | Answered on Feb 18, 2015

1 Answer

Loud vibrating noise when the furnace blower starts up.

Try closing damper slightly between humidifier and furnace????

Aprilaire 550... | Answered on May 30, 2014

1 Answer

Lime scale build up and slime in bottom of filter tray

If your water is suddenly evaporating into limescale, your local water company may have switched to a different water source, or your water softener device is out of salt. The limescale can be easily cleaned with vinegar and a sponge, but this will keep occuring unless you use water that doesn't contain disolved calcium. Try getting an RO water filter and use that water.

Aprilaire 550... | Answered on Mar 15, 2014

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Humidity setting of the 152Z27KGM

You should have a dial setting usually on the return duct box near where your filter goes. It is probably about the size of your thermostat. Set at around 40%

Aprilaire 550... | Answered on Jan 17, 2014

2 Answers

When furnace cycles on the humidifier overflow

If the water stops when the heater is not running then the humidifier is working fine. I know it seems like alot of water but that's how it's designed.

Aprilaire 550... | Answered on Jan 13, 2014

1 Answer

No water to furnace humidifier

It's probably the saddle valve. The self-piercing needle rusts and clogs the water line. Replace the saddle valve with a non self piercing one. Also, check the voltage to the solenoid valve on the humidifier. You should be getting 24 ac volts. If not, replace the transformer. If voltage is present and still no water, then replace the solenoid valve (very expensive).

Aprilaire 550... | Answered on Jan 30, 2013

2 Answers

Water leak

your drain pipe is clogged up, going to drain- Duh

Aprilaire 550... | Answered on Jan 24, 2013

1 Answer

Cycling on and off

I had the same problem with my new furnace. it was a crack in the blower fan housing . that was 12yrs ago. it is starting to act similar now. it just will stay running like it is blowing out gas and then restarts occasionally.

Aprilaire 550... | Answered on Jan 14, 2013

1 Answer