4 Heat/ 2 Cool zone panel compatible with Single Stage Conventional or Heat Pump Systems, Multistage Conventional or Heat Pump Systems, Single Stage or Multistage Thermostats, and Power Open, Power Close or Spring Return Dampers
Competes with Honeywell's HZ432, EWC's UZC, Zonefirst's MZP4, and AprilAire's 6404