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  • AprilAire 6620 - 20" Automatic Vent Damper

    (Aprilaire 6620)

    The AprilAire 6620 is a round ventilation damper of the following size: 20 inches diameter The AprilAire 6620 - 20" Automatic Vent Damper is a motorized damper with durable 24 gauge construction. This automatic vent damper features a position indicator for easy troubleshooting. This AprilAire damper…

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    Our Price: $ 259.99
    Retail:$299.99
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    $40.00 (13%)
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  • AprilAire 6721 Rectangular Duct Damper - 8"x 8"

    (Aprilaire 6721)

    …damper of the following size: 8 inches x 8 inches The AprilAire 6721 Rectangular Duct Damper - 8" x 8" is a rectangular duct damper. This ventilation damper is motorized for zone control systems. This motorized damper measures 7 1/2 inches x 11 1/2 inches x 8 1/2 inches. The AprilAire 6721…

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    Our Price: $ 179.99
    Retail:$219.99
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  • AprilAire 6724 - Rectangular Vent Damper 8"x 14"

    (Aprilaire 6724)

    …automatic damper of the following size: 8 inches x 14 inches The AprilAire 6724 - Rectangular Vent Damper 8"x 14" is a rectangular duct damper. This ventilation damper is motorized for zone control systems. This motorized damper features spring open 2 wire design for easy installation. The AprilAire…

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    Our Price: $ 125.60
    Retail:$149.99
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    $24.39 (16%)
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  • AprilAire 6725 - Rectangular Damper 8" x 16"

    (Aprilaire 6725)

    …automatic damper of the following size: 8 inches x 16 inches The AprilAire 6725 - Rectangular Damper 8" x 16" is a rectangular duct damper. This ventilation damper is motorized for zone control systems. This motorized damper features spring open 2 wire design for easy installation. The AprilAire…

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    Our Price: $ 189.99
    Retail:$229.99
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  • AprilAire 6726 HVAC Rectangular Damper - 8"x 18"

    (Aprilaire 6726)

    …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 motorized damper features spring open 2 wire design for easy installation. The AprilAire…

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    Our Price: $ 209.99
    Retail:$229.99
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    $20.00 (9%)
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  • AprilAire 6727 - Automatic Vent Damper - 8" x 20"

    (Aprilaire 6727)

    …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 motorized damper features spring open 2 wire design for easy installation. The AprilAire 6727…

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    Our Price: $ 209.99
    Retail:$229.99
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  • AprilAire 6728 - Motorized Air Damper - 8" x 22"

    (Aprilaire 6728)

    …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 motorized damper features spring open 2 wire design for easy installation. The AprilAire…

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    Our Price: $ 199.99
    Retail:$249.99
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  • AprilAire 6729 Automatic Vent Damper - 8" x 24"

    (Aprilaire 6729)

    …automatic damper of the following size: 8 inches x 24 inches The AprilAire 6729 Automatic Vent Damper - 8" x 24" is a rectangular duct damper. This ventilation damper is motorized for zone control systems. This motorized damper features spring open 2 wire design for easy installation. The AprilAire…

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    Our Price: $ 199.99
    Retail:$249.99
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  • AprilAire 6732 Rectangular Duct Damper - 10" x 10"

    (Aprilaire 6732)

    …damper of the following size: 10 inches x 10 inches The AprilAire 6732 Rectangular Duct Damper - 10" x 10" is a rectangular duct damper. This ventilation damper is motorized for zone control systems. This motorized damper features spring open 2 wire design for easy installation. The AprilAire 6732…

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    Our Price: $ 199.99
    Retail:$249.99
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  • Rectangular Air Damper 10" x 12" - AprilAire 6733

    (Aprilaire 6733)

    The Rectangular Air Damper 10" x 12" - AprilAire 6733 is a rectangular duct damper. This ventilation damper is motorized for zone control systems. This motorized damper features spring open 2 wire design for easy installation. Specifications: Brand: AprilAire Part Number: 6733 Damper Type:…

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    Our Price: $ 199.99
    Retail:$249.99
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  • AprilAire 6734 Auto HVAC Damper - 10" x 14"

    (Aprilaire 6734)

    …automatic damper of the following size: 10 inches x 14 inches The AprilAire 6734 Auto HVAC Damper - 10" x 14" is a rectangular duct damper. This ventilation damper is motorized for zone control systems. This motorized damper features spring open 2 wire design for easy installation. The AprilAire…

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    Our Price: $ 219.99
    Retail:$249.99
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    $30.00 (12%)
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  • AprilAire 6735 Air Vent Damper - 10" x 16"

    (Aprilaire 6735)

    …automatic damper of the following size: 10 inches x 16 inches The AprilAire 6735 Air Vent Damper - 10" x 16" is a rectangular duct damper. This ventilation damper is motorized for zone control systems. This motorized damper features spring open 2 wire design for easy installation. The AprilAire 6735…

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    Our Price: $ 199.99
    Retail:$249.99
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