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- The Aprilaire® Model 6403 Zoned Temperature Control provides ultimate comfort, control and convenience. This whole-home system delivers perfect temperature control 365 days a year.
Aprilaire® Zone Control Panel, 18 to 30 V, 2-3/4 in Height, 5-3/4 in Width, 11-3/4 in D, LED, 3 Zones, For Use with: Heat Pump 
- Eliminates inconsistent, uncomfortable temperatures in your home by creating up to 3 separate areas or zones
 - Delivers conditioned air only where you need it, when you need it, allowing you to customize your comfort while saving you money on energy costs
 - Controls high and low balance point from one outdoor temperature senor
 - Time delay override to simplify check out and troubleshooting
 - Resettable fuses for each zone's dampers
 - Multiple mounting and wire run options
 - Short cycle protection
 - Built in fan purge
 - For universal multistage 2 heat 2 cool H/C or 4 heat 2 cool heat pump
 
- Height2-3/4 inVoltage Rating18 to 30 VDepth11-3/4Display TypeLEDManufacturerResearch ProductsManufacturer #6403Number of Zones3Suitable For Use WithHeat PumpWidth5-3/4 in
 
