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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...

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...

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