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Medium refers to the substance that carries heat through the heating system. Systems are either designed to use either Hot Water or Steam as a medium, and components are usually specific to one or the other.
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Available (455)
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Aprilaire Bypass Humidifier - 17 GPD - 24V - Manual
Model: 600M
(4)
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$214.99
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In-Stock
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Aprilaire Steam Humidifier - 34.6 GPD - 120/208/240V - Automatic
Model: 800-120
(4)
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$949.99
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In-Stock
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Aprilaire 16" x 27" - Replacement Media Filter - MERV 10
Model: 401-
(4)
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$36.99
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Aprilaire 19" x 20" - Replacement Media Filter - MERV 13
Model: 313-
(4)
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$58.99
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Aprilaire 20" x 25-1/4" - Replacement Media Filter - MERV 10
Model: 201
(4)
Q&A
(1)
$36.99
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Aprilaire 20" x 25" - Replacement Media Filter - MERV 13
Model: 213
(4)
Q&A
(1)
$58.99
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Aprilaire Bypass Humidifier - 12 GPD - 24V - Automatic
Model: 500-
(3)
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$244.99
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Aprilaire Bypass Humidifier - 12 GPD - 24V - Manual
Model: 500M
(3)
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$194.99
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Aprilaire Drainless Bypass Humidifier - 17 GPD - 24V - Automatic
Model: 400--
(3)
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$319.99
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Aprilaire Drainless Bypass Humidifier - 17 GPD - 24V - Manual
Model: 400M
(3)
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$254.99
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Aprilaire Power Humidifier - 18 GPD - 120V - Automatic
Model: 700-
(3)
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$429.99
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Aprilaire Power Humidifier - 18 GPD - 120V - Manual
Model: 700M
(3)
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$379.99
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Aprilaire 16" x 25" - Replacement Media Filter - MERV 11
Model: 410
(3)
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$56.99
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Aprilaire Replacement Media Filter - 19" x 20" - MERV 11
Model: 310
(3)
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$56.99
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Aprilaire 20" x 25" - Replacement Media Filter - MERV 11
Model: 210
(3)
Q&A
(1)
$56.99
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Aprilaire Water Panel Humidifier Pad
Model: 35
(2)
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$13.99
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Aprilaire 16" x 25" - Replacement Competitive Media Filter - MERV 13
Model: 613
(2)
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$51.99
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Aprilaire 20" x 25" - Replacement Competitive Media Filter - MERV 13
Model: 813
(2)
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$55.99
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Clean Comfort UC Series® - Ultraviolet Coil Purifier for Air Handlers - 16" Dual 36 Watt Lamps - 24V/120V
Model: UC36D16-24B
(2)
Q&A
(1)
$191.00
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Factory-Direct!
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Aprilaire 16" x 25" - Replacement Media Filter - MERV 16
Model: 501
(2)
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$48.99
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Clean Comfort 16" x 20" - Whole Home Media Air Cleaner - MERV 11 - 1200 CFM
Model: AMB11-1620-45
(3)
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$121.00
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Factory-Direct!
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Aprilaire Humidifier Control - Automatic
Model: 60
(1)
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$128.00
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Aprilaire Water Panel Humidifier Pad (2-Pack)
Model: 45
(1)
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$31.99
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Aprilaire 16" x 25" - Replacement Competitive Media Filter - MERV 11
Model: 610
(1)
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$46.99
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