Anonymous posted an answer for this Aprilaire 550 Humidifier:
"It sounds like the humidifier may be improperly wired. It's hard to solve without..."
Anonymous posted an answer for this Aprilaire 550 Humidifier:
"I've got a 560A, but if it's similar: The pad sits in a plastic frame with the drain hole..."
Anonymous posted an answer for this Aprilaire 550 Humidifier:
"I just solved a problem with mine today. One of my low voltage power wires to the..."
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Humidifiers 3 answers