Aprilaire 4004 Strainer Screen
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The Aprilaire 4004 strainer screen is installed on the inlet side of the solenoid valve. The purpose of the strainer screen is to filter out sand and other particulate matter which might get into the solenoid valve and clog it. The screen should be replaced every two to three years.
The manufacturer is sometimes referred to as April Aire, Aprilair, April Air but is correctly spelled Aprilaire.
- 7/8 (inch)
- Less than 1 (oz)
- Inbound Side Pointing Toward the Solenoid
Strainer by Matthew LaScola (Maumee OH US)
All parts appear to be satisfactory when compared to the original parts. Ordering from Customer Support was good.
strainer screen by Tom Szatkowski (Sterling Heights Mi US)
High quality replacement part
Aprilaire 4004 Strainer Screen by John Steffen (Belleville IL US)
Strainer was exactly what I needed and easy to install for a novice. It seems to be made of the same material, and is exactly like the original one I replaced. Can't comment on the quality of the product until I check it out next year.
865497 by Richard Wagner (farmington hills MI US)
Easy to find the parts I needed on-line and very quick service.
Aprilaire 4004 Strainer Screen by ( )
Arrived quickly and was easy to install. Thx
All's quiet by David Bryant (Ashburn VA US)
Never realized a strainer even existed on the fill side of the valve. Went in quickly and the whistling of the incoming water stopped
excellent by Raymond N. Satter (Denver CO US)
Worked perfectly on a 55 year old humidifier!!
made a difference by Jeff Weisend (Carson City NV US)
The old strainer's holes were partially blocked. The new one allows more water through; our weather station indicates that the indoor humidity is up significantly(it was borderline low before).
Aprilaire 4004 Strainer Screen by Peter Saar (Baltimore Ma US)
The strainer screen is a very straightforward switch out for the existing original screen. Can't remember precisely, but I believe this original unit was acquired when the HVAC system was replaced in 2004. Might want to inquire as to the longevity under normal use and recommend replacement at particular intervals. I first sought assistance through my HVAC service contract, only to find that the humidifier was not covered by the contract, yet the unit was installed as part of the HVAC replacement. I was quoted a price of service visit $99.00, then the part(s) cost, plus the labor cost. After all is taken into account this could easily have been $250 or more. And I already had opened the cover to the unit to see if there was anything that I could access to make sure the unit was providing the moisture to the house. I found the snap connection holding the screen in place, as well as the nozzle replacement simple as could be. Thanks for making it consumer friendly, you have to be able to save pennies where you can around the home.
"Aprilaire 4004 Strainer Screen" by Jack Bender (Minden Ne US)
domestic engineer by Janice Peterson ( Ut US)
The product I received came just as I had order and was delivered promptly The parts worked great and I was able to get my humidifier working for the season. Thank you, Sincerely, Jan Peterson
Works by ( )
The part I wanted at a good price. If I need it again I'd buy it.
Inlet Strainer by Ron Adams ( )
Strainer was missing from the original installation. Allowed sediment inito the solenoid valve casuing it to stick open and use more than 1000 gallons of water per month.
Order fulfillment by Tom Gehrig (Charlottesville VA )
Great order fulfillment, packaging & shipping. Nice work.
filter for Aprilaire and Straner Screen by Michael Koch (New Blookmfield MO US)
The strainer screen that goes in line is a problem for me. When I twist the in line water tap it leaks and does not shut off. Is it necessary for me to shut the water off for the entire house to insert the strainer screen inline before the solenoid? Thanks!
excelent service by ( )
strainer screen by David Bassler (Niagara Falls Ne US)
part was received promptly when ordered. It fit & functioned perfectly.I was glad to find info on my humidifier on line as it came With house & I had no paper work on unit. I was able to download operator`s manual & parts info from the internet
Homeowner by Kenneth Trimbach (West Chester OH US)
I received the new strainer and installed it with no problems. A lime deposit was also removed and the humidifier is now working perfectly. Thank you for your interesst.
Little part, big help by Greg Mitchell (Milwaukee WI US)
The replacement strainer is more substantial than the fabric strainer it replaced in my humidifier. When I removed the old screen, I found it had been blown open at the end, allowing a small piece of sediment to hold the solenoid vavle open (and wasting who knows how much water). The new screen is hard, perforated plastic, which I expect will plug instead of disintegrate when full - a much more acceptable failure mode for a filter in my opinion, at least on systems that depend on that filtration to protect downstream components.
Aprilaire 4004 Strainer Screen by ( )
Mr Graham by arthur graham (norton oh US)
Very satisfied with the product.
Aprilaire 4004 Strainer Screen" by Janet Parker (Kalkaska MI US)
We received the screens (2) and have installed one of them. They are what we ordered and we got it in a timely manner. Thank you.
aprilaire 4004 strainer screen by ( )
Aprilaire 4004 strainer screen by Brenda Robison (Indianapolis IN US)
Fit perfectly. We didn't know this part was missing until checking your website.
Strainer Screen Replacement by ( )
Replace the strainer screen if you do not have a full steady stream of water from the hose that feeds the water panel. The screen is extremely small but an important part of the system to work properly. The screen in located on the inlet side of the water valve.