Aprilaire Zoned Comfort Control Expansion Panel
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About this Product
About The Aprilaire 6402 Zoned Comfort Control Expansion Panel
The Aprilaire 6402 Zoned Comfort Control Expansion Panel is a two zone panel that can be incorporated with the Aprilaire 6404 Zone Control Panel to allow for up to 12 zones to be controlled. A maximum of 4 Aprilaire 6402 Zoned Comfort Control Expansion Panel may be used with a single Aprilaire 6404. The Aprilaire 6402 Zoned Comfort Control Expansion Panel can work with all low voltage mechanical or electrical thermostats. All zone thermostats must feature an off mode to prevent unintended operation. If you are specifying an auto changeover thermostat, precautions must be taken to prevent to prevent condenser cooling mode operation during low temperature conditions and heating mode operation (heat pumps only) during temperature conditions.
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