The 8870 has been discontinued by Aprilaire and is no longer available. The direct replacement is the new 8800 Thermostat.
The Aprilaire 8870 Communicating Thermostat is your key to simple HVAC automation. The NEW Aprilaire 8870 Themostat, makes integrating heating and cooling control into all your system proposals easy and profitable. As always, Aprilaire is compatible with all major home automation systems, but now one thermostat controls all types of HVAC equipment eliminating guesswork. The Aprilaire 8870 Thermostat also has a Message Center display that opens up new possibilities for enhancing your systems. The message center simplifies set up and addressing while it can also display custom messages. It’s not total home automation without HVAC control and the Model 8870 is the choice of professional integrators.
One Thermostat For All Equipment: Thermostat selection is simple assuring the correct thermostat for the job every time. The Aprilaire 8870 Thermostat is compatible with virtually any type of system, including single-stage or multi-stage, heat/cool systems or heat pumps. It also works with heating and cooling systems having separate power supplies.
• Message Center: A convenient alpha numeric display provides simple set-up and addressing through menu driven options. The message center can also be utilized by a home automation system to display virtually any type of information with the only limitation being the programmer’s imagination.
• Backlighting: Full backlighting of both displays eliminates the inconvenience of viewing in dimly lit spaces. This feature is user selectable to turn on based on light level or any time there is a button pressed.
• Large Display: The large main display assures customers can easily view set points, outdoor/remote temperature, fan status and the network communications at a glance.
• Integrated Communication Card: The Aprilaire 8870 Thermostat now has an integrated communication card which simplifies wiring, reduces components and extends the wire run distance to as much as 4,000 feet from the distribution panel wiring buss. Addressing each thermostat is now done in the message center through the set up menus.• Stand Alone Operation: As always, Aprilaire’s 8870 provides you with peace of mind as a stand alone controller whether or not the computer controller or automation system is up and running.