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Aprilaire entered the indoor air quality industry in 1938. Less than two decades later, they produced the first marketed, whole-home, evaporative humidifier in the United States. Since that time, they have expanded their product line to include not only humidifiers, but also air cleaners, dehumidifiers, thermostats, ventilation and zone control systems.

The company's focus has always been to design, create and manufacture top level products to help improve indoor air quality. Commitment to discovering new, innovative ways to establish healthy indoor environments, whether in homes or businesses has contributed to Aprilaire remaining a leader in the HVAC industry.

When it is time to replace the filters on your Aprilaire products, such as humidifiers and air cleaners, make sure you choose genuine Aprilaire replacement filters and parts.


Aprilaire full product list:


Aprilaire Y2110 Media Air Cleaner MERV 13 - Model 2410
FREE SHIPPING!

within the continental U.S.

In Stock!
Ships in 5 to 6 business days.

Retail: $299.99

Our Price: $219.95

Save 27%!

Aprilaire 4330 Humidifier Scale Control Insert
FREE SHIPPING!

within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Our Price: $119.92

Aprilaire 4785 Maintenance Kit with Water Panel 35
FREE SHIPPING!

within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Retail: $149.99

Our Price: $129.99

Save 13%!

Aprilaire 4236 Humidifier Scale Control Insert
FREE SHIPPING!

within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Our Price: $167.88

Aprilaire 4231 Humidifier Orifice Yellow
Special Order.
Ships in 5 to 6 days.

Our Price: $59.40

Aprilaire 4725 Seal Kit for Air Purifier Model 2200
FREE SHIPPING!

within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Our Price: $349.90

Aprilaire 4007 Humidifier Orifice White
Special Order.
Ships in 5 to 6 days.

Our Price: $71.88

Aprilaire 4010 Humidifier Transformer Replacement
Special Order.
Ships in 5 to 6 days.

Retail: $39.99

Our Price: $24.99

Save 38%!

Aprilaire 4021 Humidifier Orifice Red
Special Order.
Ships in 5 to 6 days.

Retail: $9.99

Our Price: $7.95

Save 20%!

Aprilaire 4031 Humidifier Cork Motor Isolator
Special Order.
Ships in 5 to 6 days.

Our Price: $71.94

Aprilaire 4183 Humidifier Water Distribution Tray
Special Order.
Ships in 5 to 6 days.

Retail: $34.99

Our Price: $24.99

Save 29%!

Aprilaire 4236 Humidifier Float Chamber
FREE SHIPPING!

within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Our Price: $167.88

Aprilaire 4332 Humidifier Damper Assembly
Special Order.
Ships in 5 to 6 days.

Retail: $39.99

Our Price: $24.99

Save 38%!

Aprilaire 4349 Humidifier Door Catch for 2200 2400 4-Pack
Special Order.
Ships in 5 to 6 days.

Our Price: $27.96

Aprilaire 4403 Humidifier Float Chamber
Special Order.
Ships in 5 to 6 days.

Our Price: $59.70

Aprilaire 4406 Humidifier Float Valve Assembly
Special Order.
Ships in 5 to 6 days.

Retail: $19.99

Our Price: $14.99

Save 25%!

Aprilaire 4515 Blower Motor for 1700 1750 Dehum.
FREE SHIPPING!

within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Retail: $499.99

Our Price: $399.99

Save 20%!

Aprilaire 4517 Humidifier Power Supply
FREE SHIPPING!

within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Retail: $199.99

Our Price: $159.99

Save 20%!

Aprilaire 4518 Humidifier Control Panel
FREE SHIPPING!

within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Retail: $299.99

Our Price: $219.99

Save 27%!

Aprilaire 4594 Duct Mounted Humidistat
FREE SHIPPING!

within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Retail: $249.99

Our Price: $219.99

Save 12%!

Aprilaire 4640 Humidifier Scale Control Insert
FREE SHIPPING!

within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Our Price: $199.90

Aprilaire 4655 Manual Humidifier Humidistat
Special Order.
Ships in 5 to 6 days.

Retail: $59.99

Our Price: $44.99

Save 25%!

Aprilaire 4740 Humidifier Fan Relay for 700A 700M
Special Order.
Ships in 5 to 6 days.

Retail: $27.99

Our Price: $22.99

Save 18%!

Aprilaire 4851 Humidifier Blower Activation Relay
FREE SHIPPING!

within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Our Price: $349.90

Aprilaire 5158 Air Flow Measuring Device
FREE SHIPPING!

within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Retail: $271.99

Our Price: $159.99

Save 41%!

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