Aprilaire Humidifier Filters & Parts

This genuine AprilAire replacement water panel humidifier filter is the backbone of your AprilAire humidifier. The heavy-duty aluminum mesh frame holds its shape over the life of the water panel humidifier filter as the porous ceramic-type coating absorbs water and maintains the proper level of hydration to support the evaporation process. Water is vaporized as air warmed by the furnace passes over the water panel. The humidified air is carried through the house through the air ducts.  ...

Genuine AprilAire Replacement Filter: This water panel assembly replacement was designed and made in the USA by AprilAire to fit Whole-House Humidifier Models 500, 500A, and 500MAll-in-One Kit: No mess. No cleanup. Just fast, simple replacement of the water panel assembly to keep your AprilAire Whole-House Humidifier working like new.Healthy Humidity: By replacing the water panel assembly in your humidifier, you can enjoy the benefits of optimal humidity levels, including lower incidence of...

ALL-IN-ONE – The L HydroCore™ includes everything you need to service the humidifier water panel and maintain peak performance, conveniently pre-assembled and ready to go! For added convenience, the kit includes a replacement orifice.FAST, EASY MAINTENANCE – Replace the L HydroCore™ and Orifice in minutes with this convenient kit. The L HydroCore™ quickly pops in and out features a 1-piece design that includes the water panel, scale control, distribution tray, feed tube, and elbow. The Orifice...

ALL-IN-ONE – The HydroCore™ includes everything you need to service the humidifier water panel and maintain peak performance conveniently pre-assembled and ready to go!CHANGE IN 60 SECONDS – No mess. No cleanup. The HydroCore™ quickly pops in and out for easy maintenance.SUPERIOR SUSTAINABILITY – The HydroCore™ frame is recyclable and made with recycled materialsFOR OPTIMAL PERFORMANCE – Replace the L HydroCore™ every 12 months to ensure the performance and longevity of your AprilAire 620 or...

This genuine replacement water panel / humidifier filter was designed and manufactured in the USA by AprilAire – the leader in indoor air quality solutions, to optimize the performance of your AprilAire whole-house humidifier. AprilAire Humidifiers can help you maintain optimal humidity in your home of 40% – 60% which has been shown to reduce the incidence of respiratory infections and symptoms related to allergies and asthma by minimizing the formation of bacteria and viruses, fungi, and...

This genuine AprilAire replacement water panel / humidifier filter is the backbone of your AprilAire whole-house humidifier.  The heavy-duty aluminum mesh frame holds its shape over the life of the water panel humidifier filter as the porous ceramic-type coating absorbs water and maintains the proper level of hydration to support the evaporation process.  Water is vaporized as air warmed by the furnace passes over the water panel humidifier filter.  The humidified air is carried...

This genuine AprilAire replacement water panel / humidifier filter is the backbone of your AprilAire whole-house humidifier.  The heavy-duty aluminum mesh frame holds its shape over the life of the water panel humidifier filter as the porous ceramic-type coating absorbs water and maintains the proper level of hydration to support the evaporation process.  Water is vaporized as air warmed by the furnace passes over the water panel humidifier filter.  The humidified air is carried...

Aprilaire Water Panel 12 is the heart of your humidifier, designed specifically by Aprilaire for your Aprilaire humidifier; it delivers the proper humidity to your home whenever you heat your home. Replace annually for peak performance. 

Aprilaire Water Panel 12 is the heart of your humidifier, designed specifically by Aprilaire for your Aprilaire humidifier; it delivers the proper humidity to your home whenever you heat your home. Replace annually for peak performance. 

Never run out of filters during the season with the Aprilaire 45 replacement cool mist humidifier water panel that comes in a convenient 2-pack. This genuine Aprilaire humidifier pad is the key component for generating humidity in your Aprilaire 400 humidifier system. The paper filter media absorbs water from the tray while a fan pushes air across the material. This causes air to pick up moisture where it then moves around the room. For best performance replace your filters at least 2 times a...

Never run out of filters during the season with the Aprilaire 45 replacement cool mist humidifier water panel that comes in a convenient 2-pack. This genuine Aprilaire humidifier pad is the key component for generating humidity in your Aprilaire 400 humidifier system. The paper filter media absorbs water from the tray while a fan pushes air across the material. This causes air to pick up moisture where it then moves around the room. For best performance replace your filters at least 2 times a...

The Aprilaire 4004 In-Line Strainer is a tiny strainer that fits in the inlet fitting of the water solenoid valve which allows water to enter your humidifier. It is designed to keep debris from entering the solenoid valve and should be checked periodically. See the owner's manual section labeled "Periodic Preventative Maintenance" for more information.

This genuine AprilAire replacement solenoid valve 4040 includes inlet and outlet fittings. It ensures that the right amount of humidity is delivered into your home, and controls how much moisture enters your humidifier, making it possible to maintain proper humidity levels throughout your home. INCLUDED IN THE BOX: 4040 Solenoid Valve4004 Inline StrainerCompression SleeveCompression Nut

The Aprilaire 4231 Humidifier Orifice is a tiny Nylon component that allows a specific amount of water to enter your humidifier. It's designed to regulate the amount of water entering the humidifier from the solenoid valve. Some of the water will evaporate and some performs the important flushing action. This process will keep the water panel clean while reducing maintenance to a minimum. Also known as part number 4231, the Aprilaire humidifier orifice is a unique fit for several Aprilaire...

The AprilAire 4236 replacement is a U-shaped component that encases the water panel inside your humidifier float chamber. The available AprilAire 35 water panel keeps mineral deposits out of water and the air. Proper maintenance and replacement of parts is vital for optimal performance of equipment. Recommended Replacement: Every 5 years ...

The AprilAire 4330 Scale Control Insert is the component which encases the Water Panel. Use with Water Panel Number 35 and Water Distribution Tray number 4331 (sold separately).

This is an Aprilaire 4331 Humidifier Water Distribution Tray replacement for use in conjunction with the Aprilaire Water Panel Evaporator and the Aprilaire Scale Control Insert in the following Aprilaire 500 Series and Aprilaire 600 Series humidifiers: Aprilaire 550A, Aprilaire 550M Humidifier, Aprilaire 600 Humidifier, Aprilaire 600A Humidifier, and the Aprilaire 600M Humidifier. The Aprilaire 4331 water tray distributes water evenly to all portions of the Aprilaire 500 water panel evaporator...