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This device can be used in power-hungry industrial applications where speed and robustness are at the heart of the solution
Field service replacement for most Honeywell
Small 4-5/16 in
Used as a freeze warning device
S688A1007/U Top Seller This device can be usedThe Sail Switch activates an electronic air cleaner, a humidifier, or other equipment in response to airflow from the system fan. The S688A is mounted in the return air duct where the sail will be in the direct path of an unrestricted air stream.
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