Resideo - Honeywell Home TH1210DH1001 Thermostat

The Honeywell Home TH1210DH1001 Thermostat from Resideo offers straightforward climate control with a digital non-programmable interface. Ideal for 2-heat/1-cool systems with manual changeover, this rectangular horizontal thermostat blends simple operation with reliable comfort in a Premier White finish. It runs on 20–30 VAC and supports a dual power method (battery or hardwire), providing flexible installation for renovations or new builds. The compact unit measures 4-5/8" W x 1-3/16" D x 3-7/16" H and houses a 1.32 square inch display with a thermistor sensor for accurate readings. Non-condensing humidity between 5 and 90% ensures stable performance, while the temperature range covers 40–90°F for heating and 50–99°F for cooling. Use the system switch to set Heat, Off, or Cool, and enable Auto-On for the fan when needed. Built to simplify everyday control, this thermostat combines dependable operation with easy, front-panel adjustments.

Key features

• Digital, non-programmable interface for quick, intuitive adjustments
• Supports 2-heat/1-cool systems with manual changeover
• Flexible dual power option: battery or hardwire
• Voltage range: 20–30 VAC; compact 4-5/8" W x 1-3/16" D x 3-7/16" H
• Display: 1.32 in² with a reliable thermistor sensor
• Temperature range: 40–90°F (heat), 50–99°F (cool)
• Humidity: 5–90% RH non-condensing
• System switches: Heat, Off, Cool; Fan: Auto-On