| Genuine Aprilaire 6404 Single or Multi-Stage 4-Zone Heat & Cool Pump Control Panel |
 The Model 6404 or 6403 Zone Panel can be configured to control heat pump or conventional applications. The Model 6403 can control up to 3 zones. The 6404 can control up to 4 zones and is expandable up to 12 with the use of the Model 6401 two-zone expansion panel. Features: -2 heating and two 2 cooling stages (conventional) -4 heating and 2 cooling stages (heat pump) -Integrated balance point control -Equipment protection Supplemental Information: Aprilaire 6404 Control Panel Owner's Manual Aprilaire 6404 Zoned Control Panel Damper Connections Diagram Aprilaire 6404 Zoned Control Panel System Heat Pump Connections Diagram Aprilaire 6404 Zoned Control Panel System Heat Pump Zone 1 Sets Mode Aprilaire 6404 Zoned Control Panel System Split System Connection Zone 1 Set Mode Diagram Aprilaire 6404 Zoned Control Panel System Split System Connections Diagram Aprilaire 6404 Zoned Control Panel Systems Roof Top Unit Heat Cool System Aprilaire Zoned Comfort Control Product Guide Aprilaire 6404 Control Panel Benefits Guide Aprilaire 6404 Control Panel Safety and Installation Instructions Related Products: Aprilaire 8920W Wi-Fi Thermostat Aprilaire 3210 Air Purifier Aprilaire 1850 Dehumidifier Price: 178.99 |