Go to www.aprilaire.com and order the water panel for your type of humidifier . The model # should be located on the humidifier. the box you get from them will have directions on how to change. you will then need to turnyour dial on the humidistat to TEST until the green light BLINKS, this will reset the panel reminder timer.
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Go to www.aprilaire.com and order the water panel for your type of humidifier . The model # should be located on the humidifier. the box you get from them will have directions on how to change. you will then need to turnyour dial on the humidistat to TEST until the green light BLINKS, this will reset the panel reminder timer.