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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.


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Aprilaire filters product list


Aprilaire 4740 Humidifier Fan Relay for 700A 700M
(4740)

The Aprilaire 4740 is the correct replacement for the following humidifiers: Aprilaire Model 700A Humidifier Aprilaire Model 700M Humidifier


Special Order. Ships in 14 days.
Aprilaire 4740 Humidifier Fan Relay for 700A 700M
Our Price: $15.98
Retail: $22.99
You Save 30%!

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Aprilaire 4851 Humidifier Blower Activation Relay 10-Pack
(4851)

The Aprilaire 4851 is the correct replacement for the following humidifiers: Aprilaire 500 Series Humidifiers Aprilaire 600 Series Humidifiers Aprilaire 700 Series Humidifiers


Special Order. Ships in 5 days.
Aprilaire 4851 Humidifier Blower Activation Relay
Our Price: $240.00

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Aprilaire 50 Humidifier Current Sensing Ray
(Aprilaire 50)

The Aprilaire 50 is the correct replacement for the following humidifiers: Aprilaire, Honeywell HE220, HE225, HE260, HE265, HE360 and HE365 humidifiers.


Special Order. Ships in 12 days.
Aprilaire 50 Humidifier Current Sensing Ray
Our Price: $27.00
Retail: $46.62
You Save 42%!

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Aprilaire EZ Kleen Filter Replacement 2-Pack 2-Pack
(5153)

The Aprilaire 5153 fits the following model ventilator: 8100 Energy Recovery Ventilator Aprilaire EZ Kleen Filter Replacement 2-Pack is a washable replacement filter.


Special Order. Ships in 10 days.
Aprilaire EZ Kleen Filter Replacement 2-Pack
Our Price: $43.00

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Aprilaire 5158 Air Flow Measuring Device
(5158)

The Aprilaire 5158 fits the following model ventilator: Aprilaire 8100 Energy Recovery Ventilator The Aprilaire 5158 Air Flow Measuring Device measures the air flow inside the Aprilaire 8100 Energy Recovery Ventilator.

Free shipping within the continental United States!

Special Order. Ships in 4 days.
Aprilaire 5158 Air Flow Measuring Device
Our Price: $101.11
Retail: $271.63
You Save 63%!

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Aprilaire 6726 HVAC Rectangular Damper - 8"x 18"
(Aprilaire 6726)

The Aprilaire 6726 is an automatic damper of the following size: 8 inches x 18 inches The Aprilaire 6726 HVAC Rectangular Damper - 8"x 18" is a rectangular duct damper. This ventilation damper is motorized for zone control systems. This motori

Free shipping within the continental United States!

Special Order. Ships in 9 days.
Aprilaire 6726 HVAC Rectangular Damper - 8"x 18"
Our Price: $152.34
Retail: $199.99
You Save 24%!

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Aprilaire 6727 - Automatic Vent Damper - 8" x 20"
(Aprilaire 6727)

The Aprilaire 6727 is an automatic damper of the following size: 8 inches x 20 inches The Aprilaire 6727 - Automatic Vent Damper - 8" x 20" is a rectangular duct damper. This ventilation damper is motorized for zone control systems. This motor

Free shipping within the continental United States!

Special Order. Ships in 11 days.
Aprilaire 6727 - Automatic Vent Damper - 8" x 20"
Our Price: $130.97
Retail: $149.99
You Save 13%!

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Aprilaire 6728 - Motorized Air Damper - 8" x 22"
(Aprilaire 6728)

The Aprilaire 6728 is an automatic damper of the following size: 8 inches x 22 inches The Aprilaire 6728 - Motorized Air Damper - 8" x 22" is a rectangular duct damper. This ventilation damper is motorized for zone control systems. This motori

Free shipping within the continental United States!

Special Order. Ships in 6 days.
Aprilaire 6728 - Motorized Air Damper - 8" x 22"
Our Price: $158.67
Retail: $199.99
You Save 21%!

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Aprilaire 6705 - 5 Inch Round Slip-In HVAC Damper
(Aprilaire 6705)

The Aprilaire 6705 - 5 Inch Round Slip-In HVAC Damper is a spring-return damper designed to be inserted in a five inch round branch duct. This HVAC damper helps zone your home without costly duct modification. The Aprilaire damper provides true comf


Special Order. Ships in 7 days.
Aprilaire 6705 - 5 Inch Round Slip-In HVAC Damper
Our Price: $74.81
Retail: $79.99
You Save 6%!

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Aprilaire 6504 Intelligent Zone Control Panel
(Aprilaire 6504)

The Aprilaire 6504 Intelligent Zone Control Panel works with the model 8570 thermostat to provide state-of-the-art features to control all types of HVAC equipment. The Aprilaire control panel can be used with heat/cool, heat pump, single- or multi-s

Free shipping within the continental United States!

Discontinued Product Read Description.
Aprilaire 6504 Intelligent Zone Control Panel
Our Price: $216.98
Retail: $249.99
You Save 13%!

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Aprilaire 6402 - 12-Zone Control Expansion Panel
(Aprilaire 6402)

The Aprilaire 6402 - 12-Zone Control Expansion Panel is used with the Aprilaire model 6404 control panel to expand from four to twelve zones in two zone increments. The Aprilaire control panel is fuse protected and features LED indicators for start-

Free shipping within the continental United States!

Discontinued Product Read Description.
Aprilaire 6402 - 12-Zone Control Expansion Panel
Our Price: $93.89
Retail: $99.99
You Save 6%!

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Aprilaire 4093 Humidifier Reservoir Liner
(4093)

The Aprilaire 4093 Humidifier Reservoir Liner is a reservoir liner for several models of Aprilaire humidifiers, including the 445, 445A, and 448. This humidifier reservoir liner is a plastic insert that fits in the reservoir located at the base of y


Discontinued Product Read Description.
Aprilaire 4093 Humidifier Reservoir Liner
Our Price: $13.99
Retail: $19.13
You Save 27%!

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Filters Fast - Aprilaire filters

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