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The Interface Of Choice For HVAC Automation. Always reports to a distribution panel which will always be connected to a network system controller. The 8870 is Directly compatible with any RS485 network and with the 8811 protocol adaptor with RS232 Protocol. Cat 5 cable is used between the stats, the 8818 Distribution Panel and the Network or System controller such as the Aprilaire 8825.
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The Smartest DIY Home Improvements
