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Johnson Controls

The W43A Humidistat provides SPDT control for use on low or line voltage applications. It has a thermoplastic cover with Allen-head locking screw to discourage unauthorized tampering. The...

Johnson Controls
W42AA Type

The W42AA humidistat provides single pole, double-throw control for use on low or line voltage applications.

The humidistat’s terminals are marked for easy wiring. The “C” terminal is...

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