Modulating Steam Humidistat used with Model 866
_5558-500x500.jpg "Modulating Steam Humidistat used with Model 866")
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The Model 5558 automatic digital modulating control package is the recommended humidistat for the Aprilaire modulating steam humidifier.
• Selectable Celsius or Fahrenheit scale.
• Outputs controlling humidification and dehumidification.
• Integrated sensor for better application flexibility.
• Multi-level lockable access menu and lockable set point to prevent accidental changes.
