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Generalaire/Aprilaire 51 Current Sensing Relay

Price: $18.38

Out of Stock - backorders allowed

The current sensing relay senses a current when your furnace's blower fan turns on. Simply run the fan wire through the top loop of the relay and when the fan turns on, the relay closes, allowing the 120v power on the relay side to flow through and turn the humidifier on
(when humidistat controller also calls for humidity.) Manufactured by
Generalaire.

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