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Manual Digital Control Humidistat for Aprilaire 4655
It is important to anticipate a drop in outdoor temperature and reduce the humidity setting in order to avoid excess condensation. The excess condensation occurs because the indoor relative humidity is higher than what the home can support for the current outdoor temperature. To adjust the humidity setting, simply rotate the control knob to the desired setting. Provided the HVAC system fan is operating and the humidification level is lower than the new set point, the manual humidistat will activate the humidifier. The manual digital control humidistat is designed to be used with low voltage service to offer control of your humidification equipment, and is made to be used with the Aprilaire humidifier 4655 500. The manual humidistat is designed to be

Price is $35.00
Price: $34.99