i BOUGHT a used CARRIER INFINITY THERMOSTAT. INSTALLATION seemed EASY, but the SCREEN won’t LIGHT UP, though it BEEPS.

WarmlyYours 73 sqft (120V) Electric Radiant Floor Heating System Cable Kit with Underfloor Heated Cable, WiFi Programmable Thermostat, Floor Sensor, and Circuit Tester

Dreo Wall Heater for Bathroom, Smart Space Heaters with ALCI Plug, 1500W, 120° Vertical Oscillation, Adjustable Thermostat, 24H Timer, Easy Installation Electric Heater for Indoor use, Bedroom, Office

Why is my Amazon Smart Thermostat display blank?

The Amazon Smart Thermostat pays for itself -- and then some

Amazon Smart Thermostat User Manual

Fridge Setting for Thermostat #howto #diy #thermostat #repair | Engineer Setup

Heating Soldering Plate Welder Hot Preheating Chip Welding Station 20V Mini Smart Thermostat for Repair DIY Laboratory - Walmart.ca