Resideo - Honeywell Home TH3210D1004 Thermostat

The TH3210D1004 Thermostat from Honeywell Home by Resideo is a digital non-programmable thermostat designed for 2-heat/1-cool heat pump systems. With a manual changeover and a sleek rectangular horizontal design in Premier White, it keeps your home comfortable without complicated programming.

This reliable thermostat supports 20–30 VAC/750 mV at 50/60 Hz and uses a relay switch for smooth switching between modes. The compact unit measures 5-3/8"W x 1-1/4"D x 3-13/16"H and features a clear 1.32" display powered by a thermistor sensor for accurate readings. It operates in ambient temperatures from 32 to 120°F and handles humidity from 5 to 90% RH non-condensing.

• Compatibility: works with heat pump systems using R, Y, AUX, E, G, O, B, L, C terminals
• Interface: simple manual changeover with a digital non-programmable control
• Design: Premier White, rectangular horizontal cover for a clean, low-profile look
• Temperature range: setting 40–90°F (heat), 50–99°F (cool) with ±1°F accuracy
• Electrical specs: 20–30 VAC/750 mV, 0.02–1 A, relay switch
• Environment: 32–120°F ambient, 5–90% RH non-condensing