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.

Commodity PVC Pressure Fittings 436-007 Male Adapter PVC 3/4 Inch MIPT x Socket Schedule 40 436-007

$0.22 / ea

Commodity PVC Pressure Fittings 406-007 Elbow 90 Degree 3/4 Inch PVC Schedule 40 Socket 406-007

$0.25 / ea

Rectorseal 83114 Trap Kit EZT113B Economy Cross with Brush 3/4 Inch

$11.75 / ea

Commodity PVC Pressure Fittings 401-007 Tee 3/4 Inch PVC Schedule 40 Socket 401-007

$0.32 / ea

Commodity Electrical 660 Handy Box Conduit 4 x 2 x 1-7/8 Inch Galvanized Steel

$2.01 / ea

Commodity Hangers FHXN038CZ Hex Nut Heavy 3/8-16 Inch Zinc

$0.14 / ea

Commodity PVC Pressure Fittings 429-007 Coupling 3/4 Inch Socket PVC 429-007 Schedule 40

$0.20 / ea

Bramec 34TRAP P-Trap PVC 3/4 Inch

$2.75 / ea

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