• Aprilaire #4655 Humidistat

Aprilaire 4655 | Our#: 171317

Aprilaire #4655 Humidistat

Aprilaire 4655 | Our#: 171317

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The Aprilaire #4655 is a low voltage humidistat designed to control humidification equipment. The 4655 replaces the older #4016 humidistat with new styling.

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Product Details

The Aprilaire 4655 Humidistat is designed for low voltage service to control humidification equipment. An increase in relative humidity expands the nylon ribbon which opens the control switch to stop operation of the humidifier. A decrease in relative humidity reverses the process and closes the control switch.  Can be wall mounted or mounted on return plenum.  Includes plenum cutout template (4 5/32" X 2 7/16").  For duct mount, locate at least 6" upstream of humidifier, humidifier bypass ductwork or fresh air intake ductwork.

Specifications

Range - 15% to 50%

Operating Differential - 8% RH Maximum

Dimensions - 5 1/8" W X 3 3/8" H X 1 15/16" D

Electrical Data -

SPST Switch
2 Wires
24 VAC
Max. Load (contacts) - 5.2 Amps

For use with models: 110, 112, 220, 224, 350, 360, 400, 440, 445, 445A, 448, 500, 550, 558, 560, 560A, 568, 600, 700, 760, 760A and 768