Honeywell T9 activating A/C, but no display! Attached are pictures of the wires on the old thermostat, the new one, and something I noticed in the wiring in my furnace room. Any
Honeywell Home T9 WIFI Smart Thermostat with 1 Smart Room Sensor, Touchscreen Display, Alexa and Google Assist : Amazon.co.uk: DIY & Tools
Honeywell Home T9 WIFI Smart Thermostat with 1 Smart Room Sensor, Touchscreen Display, Alexa and Google Assist : Amazon.co.uk: DIY & Tools
Honeywell Home T9 WIFI Smart Thermostat with 1 Smart Room Sensor, Touchscreen Display, Alexa and Google Assist : Amazon.co.uk: DIY & Tools