Aprilaire 50 Sensing Relay, 24-volt
Current sensing relay used to turn Aprilaire humidifiers on when indoor blower of air handler is energized. Makes installing any humidifier easier than ever before.

Also works for Honeywell HE220, HE225, HE260, HE265, HE360 and HE365 humidifiers.
Sensing Current: Minimum of 4.0 Amps
Voltage Range: 21-24 VAC, 50-60 Hz

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. Guaranteed to work.