TrueZONE® HZ432 panel for conventional, heat pump or dual fuel applications expandable up to 32 zones (3 heat/2 cool). Intuitive installer setup. Easy-to-follow, digital display uses real language to guide installer through four easy steps. Standard checkout procedure. Robust push terminals. Variable-speed fan control. Discharge air temperature staging. Advanced dual-fuel operation. Use with TAZ-4 Add-A-Zone to expand to 32 zones. RedLINK™ enabled for up to four wireless zones when used with THM4000R1000 wireless adapter. Controls up to two stages compressor and two stages fossil fuel in dual fuel mode.