Aprilaire 4655 Humidistat

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Aprilaire 4655 Humidistat is designed for low voltage service to control humidification equipment.

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:

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 

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