AprilAire 4655 Manual 2 Wire Humidistat
$36.50
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CONTROL SWITCH – An increase in relative humidity (RH) expands the nylon ribbon which opens the control switch to stop operation of the humidifier. A decrease in RH reverses the process and closes the control switch, turning on the humidifier. EASY INSTALLATION – This control can be mounted on a living space wall or on a return duct and must be a 24 VAC circuit only BUY WITH CONFIDENCE – The AprilAire 4655 is designed in the USA by AprilAire, the leader in Indoor Air Quality solutions for the home since 1954, and comes with a 5-year warranty
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