Help with Honeywell 9000. Top left is old thermostat, bottom is how I wired it and the instructions. There was a black and a grey wire unused and the new one doesn't
Honeywell Home TH9320WF5003 (9000 Series) WiFi 7 Day ProgrammableThermostat NOB | eBay
Honeywell WiFi 9000 Selectable-flexible Touch Screen Programmable Thermostat at Lowes.com