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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 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 Humidifier Saddle Valve - Aprilaire 4001
Special Order.
Ships in 5 to 6 days.

Retail: $19.99

Our Price: $15.99

Save 20%!

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

Our Price: $59.40

Aprilaire 4232 Humidifier Orifice Blue 12-Pack
Special Order.
Ships in 5 to 6 days.

Retail: $6.95

Our Price: $4.95

Save 29%!

Aprilaire 4732 Base Replacement for Aprilaire 4245
FREE SHIPPING!

within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Retail: $129.99

Our Price: $109.99

Save 15%!

Aprilaire 4005 Water Solenoid Valve Assembly
FREE SHIPPING!

within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Retail: $99.99

Our Price: $89.99

Save 10%!

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 4182 Humidifier Water Distribution Tray
Special Order.
Ships in 5 to 6 days.

Retail: $39.99

Our Price: $29.99

Save 25%!

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

Retail: $34.99

Our Price: $24.99

Save 29%!

Aprilaire 4185 Humidifier Baffle Replacement
Special Order.
Ships in 5 to 6 days.

Retail: $29.99

Our Price: $24.99

Save 17%!

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 4237 Humidifier Motor Replacement
FREE SHIPPING!

within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Retail: $119.99

Our Price: $99.99

Save 17%!

Aprilaire 4238 Humidifier Circuit Board
Special Order.
Ships in 5 to 6 days.

Retail: $92.99

Our Price: $74.95

Save 19%!

Aprilaire 4240 Humidifier Male Disconnect Assembly
Special Order.
Ships in 5 to 6 days.

Retail: $34.99

Our Price: $27.95

Save 20%!

Aprilaire 4247 Humidifier Fan Blade Replacement
Special Order.
Ships in 5 to 6 days.

Retail: $37.99

Our Price: $34.99

Save 8%!

Aprilaire 4258 Humidifier Control Relay
Special Order.
Ships in 5 to 6 days.

Retail: $99.99

Our Price: $79.99

Save 20%!

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
FREE SHIPPING!

within the continental U.S.

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 4407 Humidifier Water Distribution Tray
Special Order.
Ships in 5 to 6 days.

Retail: $24.99

Our Price: $21.99

Save 12%!

Aprilaire 4410 Humidifier Water Level Sensor
Special Order.
Ships in 5 to 6 days.

Retail: $39.99

Our Price: $32.99

Save 18%!

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%!

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