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The Aprilaire 50 current sensing relay simplifies humidifier installation on furnaces without accessory terminals. Also works for Honeywell HE220, HE225, HE260, HE265, HE360 and HE365 humidifiers. Voltage Range: 21-24 VAC, 50-60 Hz Sensing Current:... (More)
Skuttle A50 24Volt Current Sensing Relay The Skuttle A50 24Volt Current Sensing Relay is designed for interfacing humidifiers with most heating and cooling systems. It senses current rather than voltage, making it more reliable and yet, less expensive... (More)
The Aprilaire 51 current sensing relay simplifies air cleaner installation on furnaces without accessory terminals. Can also be used to simplify installation of inline duct booster fans. Voltage Range: 100-125 VAC, 50-60 Hz Sensing Current: Minimum of... (More)