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: 15 to 50%(1)
: 8% RH(1)
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Humidifier Controls

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Aprilaire® 4655 Manual Humidistat, 15 to 50% Adjustable, 8% RH Differential, SPST Switch Action

Aprilaire® 4655 Manual Humidistat, 15 to 50% Adjustable, 8% RH Differential, SPST Switch Action

Item #APR4655

MFG #4655

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Aprilaire® 56 Temperature Compensating Control/Humidistat

Aprilaire® 56 Temperature Compensating Control/Humidistat

Item #APR56

MFG #56

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Aprilaire® 60 Automatic Digital Humidifier Control

Aprilaire® 60 Automatic Digital Humidifier Control

Item #APR60

MFG #60

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