Aprilaire 4040 by michael abrahams (Yardley Pe US)

Valve came quickly and was easy to install.

Aprilaire 4040 Solenoid Valve by William Macormic (Tulsa OK US)

It's always great to be able to replace defective parts with manufacturer's originals. Overall experience - "outstanding customer service"!

4040 Solenoid Valve Assembly by Bob Krawchuck (Pontiac Mi US)

The sales rep assisted in the part number of the April Air Solenoid and I ordered it on the the computer and it was delivered in 6 days.The old Selnoid was was removed and replaced with the new one in less than an hour.This will reduce my water bill with the new one attached.

Easy Installatoin by Tim McDonald (Richmoind VA US)

Easy to install, works well except I am now getting a loud sound when it shuts off. Haven't figured out what the cause of the noise is.

april aire parts by Glenn Juvingo (Bartlett Il US)

Hi Aprilaire, We love you guys. My humidifier is working again. Thanks for being there for us. It is great! Glenn Juvingo

aprilaire 4040 Solenoid valve assembly by Tom Seslar (Colorado Springs CO US)

Easy to swap out and much better quality than the original part.

Mr. D.andrechick by David Andrechick (Piscataway Ne US)

I had no problem hooking it up.It works perfectly.The whole project took only five minutes.

Solinoid by Dale Liepert (Montello Wi US)

The part corrected the problem and works perfect again. Thank You

Aprilaire 4040 Solenoid Valve Assembly by Dennis Crawford (Rice Lake WI US)

I appreciate the quick delivery of the exact duplicate replacement part. Your website's troubleshooting guide identified my problem (valve wouldn't completely shut off) and showed the solution. The replacement resolved the problem. Excellent service, Thank you.

"Aprilaire 4040 Solenoid Valve Assembly" by tom leard (carefree az US)

part arrived. Part installed. Part worked .

selenoid success by Ben Davis (Manchester Mo US)

Easy and works great.

It works! by ( )

Part was an exact match.

Aprilaire 4040 solenoid valve assembly by Maxwell lawrence (Bedford Ma US)

Easy to install- just follow instructions- works perfectly

self by Peter Tilgner (Tenafly NJ US)

Easy to install. Works likes a charm.

SOLENOID REPLACEMENT by STEPHEN SLEPETZ (WOODBRIDGE VA US)

I found on line exactly what I needed and installed it easily. Works fine now.

home owner by James Walruff (RAYMORE MO US)

Everything fitted and worked perfectly

Fixed the Problem by John Walters (Castle Rock Co US)

The new solenoid fixed the problem. My only concern is that this is the second unit (mine and a friends) that had the same problem. Is this an inherent flaw? The support team and service were superb.

Waynes by Wayne Schertler (Savage Mi US)

Part arrived as promises, was easy to install and worked fine.

Just fine by William Morris (Syracuse NY US)

The person taking my order over the phone was efficient and helpful. The part fit just fine and installation easy. Now my wife is happy.

Spare parts by John Grayson (Xenia OH US)

Part seemed very good and went on easily using clear instructions provided. Only one question-- Both input and output tubes already had nuts and compression washers, yet you provided me with one more of each. Nothing in instructions mentioned anything about changing one out, or if I was to replace one which one. Therefore I replaced neither and all seems well. However, I am somewhat puzzled whenever I end up with leftover parts. Should I have replaced one or were these parts just provided as a contingency?

Home Owner by Frank Catuara (La Grange IL US)

Delivery was timely and the valve works just fine.

Aprilaire 4040 Solenoid Valve Assembly by ( )

home owner by Richard Kolegar (Cleveland Oh US)

Excellent Experience by Jon (Plainfield Il US)

The part was exactly what I needed. Parts came packaged securely and in a timely manner. Installation instructions were clear and helpful. No problems during the whole process.

Works so far by Don Crawford (Alexandria VA US)

The solenoid valve was easy to install and works like a champ. The only thing I could say would be to include the 2 small mounting screws that connect the valve to the humifier housing.

Aprilaire 4040 solenoid valve by George d'Entremont (Thornhill ON CA)

Easy, easy, and easy. Easy to order, easy to receive and easy to install. works like a charm.

excellent by chuck witte (toledo oh US)

excellent by chuck witte (toledo oh US)

Aprilaire 4040 Soleniod Value by Dick Scott ( )

Easy to install and works great. Only took about 15 minutes to take the old one off and put the new one on. My kind of job.

Customer by Robert Volck (Manassas Vi US)

I received the Aprilaire Solenoid in a reasonable timeframe. The installation instructions were clear and understandable. My Aprilair Humidifier is working like new again.

part # 4040 by Steve Cochrane (Wichita Ka US)

You all did a really good job. Turns out I ordered the wrong part. My fault not yours. Please send me cost of "humidistat #4016" so I can decide if I want to spend more money on this problem. Thanks!

Aprilaire Replacement Parts by C H Bartlow (Kansas City Mi US)

The Aprilaire 4040 Solenoid Valve Assembly that I purchased was a direct replacement for my furnace's original solenoid valve. The new part installed easily, wiring was straightforward and I am very pleased with this part plus the water panel and other small parts I purchased. Delivery was timely, parts fit properly and the humidifier is back working as it should. Thanks for your good service!

Good Product by Jerry Landwehr (Edgewood KY US)

I purchased a replacement solenoid valve (#4040) for my Aprilaire whole-house humidifier. This replacement valve arrived quickly after I ordered it online. It was really easy to install and now my humidifier works prefectly. And, best of all, the price was the best I could find on the Internet.

solenoid installation by Steven C Rizzo (Palos Heights Il US)

Couldn't have worked out better. I installed it last night as a matter of fact. This was the best solution. I saved at least $100.00 + hassel of waiting for tech. I'm handy so I knew I could do it, just needed a boost.I told lots of people who use your product and they were amazed at the ease and service. Thanks!

homeowner by Larry Evans (aurora cO US)

I received the parts I ordered wnthin a few days. I installed the solenoid valve in about 15 minutes and now my humidifier is working like new again.

Positive Review by Laurian Edan (Naperville Il US)

I ordered the Aprilaire 4040 solenoid valve from the website. It was easy to get the information I needed from the website and ordering was very easy. The part arrived approximately a week after placing the order because I did not want to pay for faster shipping. The part was exactly what was shown on the website and it was very easy to install. I recommend this website and Aprilaire part.

Easy Fix by John SanFelice (Millersville MD US)

This was a much more easy fix than I had anticipated. I struggled for months trying to figure out what was wrong with my humidifier. Then I called the help line and was told how to propery trouble shoot my system. The replacement is working fine so far and was a very easy fix. Thank goodness. It is so much better not getting shocked from static electricity and my home feels warmer and my sinues aren't all dried up. Thanks Aprilair.

Homeowner by Carolyn Lusch (Willow Grove Pe US)

The Solenoid Valve Assembly I purchased came in less than a week as promised. Instructions were complete and easily followed. The valve was half the priced I priced in a local plumbing supply house.They told me that Aprilaire raised their prices. Thank you for being so convenient and trustworthy.

Aprilaire 4040 Solenoid Valve Assembly" by Tom McAvinew (Louisville Co CA)

The part was easy to install and works great.

Homeowner by Tom Zittle (Bel Air Ma US)

fast & correct

SKERN by Stephen Kern (Fair Lawn NJ US)

part was easy to replay.

Easy to install!!! Great DIY project!!! by ( )

Super easy to install; no problems; humidifier works like a charm. Thanks much!!!

inlet solenoid by steve (berea oh US)

The original part had a small filter in the inlet end that got clogged. I had no idea it was there or I would have cleaned or removed it. Once the new solinoid was installed it was good to go. 5 minute repair, 20 minute diagnostic

aprilaire 4040 Solenoid Valve Assembly by Tim Holcomb (Lake Orion MI US)

Valve was easy to find and order on your website, delivered on time. Installed easy. Thank you.

Water solenoid assembly by M.G. DeWitt (Galesburg Il US)

Very easy to install, and it works very well. I haven't used the new pad yet. but I don't believe that it could be a problem.

Project Manager by Carl Harrell (Charlotte US)

I ordered a Solenoid Valve Assembly and filter assembly. All arrived as promised and were in good condition. Instructions on box were very good and installation went well. Now I believe I need a new fan motor?

4040 solenoid valve by Michael Tuchalski (Milwaukee WI US)

part came installed in minutes works great

Best cook in the house by william j. lucey (B CT US)

Good service...no fantastic service

boss by william j. lucey (Bristol CT US)

Fantastic service. Friendly, informative, non threatening to us amateurs.

Aprilaire humidifier by Pierre Palpant (Burnsville MN US)

worked perfectly! Easy to install! Took kind of long to get when shipping regular UPS ground and unit was a little on the spendy side when cost of shipping was added to total but shipment was accurate.

Replaced Valve by Alan Feikin (Owings Mills Md US)

Was easy to install. Valve works silently. Not leaks

SOLENOID by JIM NOWAK (CALGARY AL CA)

WORKS PERFECTLY! FAST SERVICE!

Aprilaire 4040 Solenoid Assembly by Barbara Waldman (Framingham MA US)

The product arrived within the time frame specified. It was easy to install and is now working well.

very satisfied by William Mulka (Saline MI US)

I was very pleased with your ordering process, customer service and the speed in which I received the product ordered. I installed it and it works great. Thanks

solenoid by Rodger Faherty (Overland Park Ka US)

Product works fine. Believe the solenoid that was in use was not working properly for the last 6 years. Only partially opened.

valve by leo weiler (Papillion Ne US)

I was impressed by the speed of delivery, the simple but complete installation instructions, and the ease of replacement.

Private Household by Dennis Streicher (Glen Ellyn Il US)

The product was as expected. It The replacemnt part fit well and functions as needed. The included directions were clear and easy to understand.

Solenoid by james Mattia (west Roxbury ma US)

replacement part. fits perfect and is up and running. very pleased

HOME OWNER by JAMES F. GEORGE (SPIRIT LAKE IA US)

TOOK ABOUT 10 DAYS TO GET HERE...20 MIN. TO INTSTALL... WORKS GREAT...

Home Owner by Larry Denning (Liberty MO US)

Great part. Worked perfectly.

Easy To Replace by (St Louis MO US)

The part was a perfect match. I had the old and new parts switched out in a few minutes....

Owner by David Clarrissimeaux (Prairie Village Ka US)

The representive was knowledgeable and confirmed my thoughts as to the part needed to make the repair. The part was shipped and arrived on time. I was able to do the repair for approximately $75 when my HVAC contractor estimated $186 fir the job. Thanks for the help. I now have your site saved in my favorites.