Robertshaw 9851i Programmable 1 Heat/1 Cool Thermostat, with Humidification/Dehumidification Control

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We've combined humidity and temperature control in one easy-to-install, easy-to-program package. This versatile thermostat provides control over both humidification and dehumidification. Your customers will enjoy the maximum comfort and energy savings, and you will benefit from the time and effort saved by installing a single device that does the work of two. Also serves as a Humidistat.

. 1 Heat / 1 Cool with Auto Changeover
. Integrated Humidity Sensing - Automatically adjusts indoor humidity levels, prevents condensation and maintains desired comfort level.
. Auto Changeover - Automatically adjusts between heating and cooling cycles to maintain optimal comfort.
. Worry-Free Memory Storage - Even during power outages, the thermostat maintains setpoint and programmed parameters.
. Fully Programmable - 7 day, 5/2, 5/1/1 or 24 hour programming menus.
. Adjustable Events Per Day - 2 or 4 events per day for greater control of your customer's comfort
. Three Level Security - Secure protection against unwanted changes to the programming menus, temperature or set-up functions.
. Adjustable Temperature Differential - Maintains optimal customer comfort.
. Programmable Fan - Energy cost savings. Allows user to set and provide continuous circulation for optimal comfort.
. Intermittent Fan - For minimum hourly fan circulation rates for optimal filtration with minimal energy use.
. Three Hold Settings - Permanent program override, a temporary 3 hour override or a temporary override adjustable from 1 to 12 hours.
. 5 3/8" W X 4" H X 1 1/8" D