Resideo - Honeywell Home TH140-28-01-B Thermostat

Meet the Honeywell Home TH140-28-01-B Thermostat, a 7‑Day Programmable, line/low voltage thermostat designed for reliable comfort in conventional heating and cooling systems. This UL‑listed model operates on 24/120/240 VAC and uses a thermistor sensor for precise temperature control. With a clean white rectangular vertical cover, it blends easily with most interiors. Battery backup is provided by two AA alkaline batteries to retain settings and convenience.

Engineered for straightforward installation and dependable performance, it features R and W terminals and a SPDT relay for smooth switching in residential setups. The setpoint range of 40–85°F (with an operating range of 32–122°F) ensures comfort across climates.

• 7‑Day Programmable Scheduling for personalized comfort and energy savings.
• Line/Low Voltage Compatibility supports 24/120/240 VAC with a reliable SPDT relay.
• Battery Backed Power uses 2 AA alkaline batteries to retain settings.
• Setpoint & Operating Range precise control from 40–85°F; operating range 32–122°F.
• UL Listed, White Finish compact 3.8" W x 4.9" H x 1" D design for easy installation.