Product Overview

Mechanical humidity controllers provide automatic control of humidifiers and dehumidifiers or ventilators in central heating and air conditioning systems.

• Fully enclosed, SPST, snap-acting, dust-proof switch are designed for wall or surface duct mounting
• The switch contacts are enclosed and dust free
• The sensing element is made of exceptionally thin (1 mil), moisture sensitive nylon ribbon which is wound around three bobbins to give, effectively, four element control
• The element is sensitive to small changes in relative humidity and provides reliable operation even when ambient temperature conditions change
• The control point is set by rotating the knob on-the face of the control
• On and off setting positions are provided for manual operation of the humidifier or dehumidifier
• Leads are provided for field connections

Commonly Purchased with This Item     
denotes installation item.

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