Aprilaire - 6404K - Single or Multi-Stage 4 Zone Heat & Cool Pump Control Panel w/ LCD Display

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

Features:

• 2 heating and two 2 cooling stages (conventional)
• 4 heating and 2 cooling stages (heat pump)
• Integrated balance point control
• Equipment protection