Honeywell TH4210U2002/U T4 Pro Programmable Thermostat 24 Volts (6.3 x 5.2 x 2.4 inches)

Product Description

The Honeywell TH4210U2002/U T4 Pro is a programmable thermostat for residential HVAC control that supports 2 heat/1 cool or 1 heat/1 cool configurations and operates on 24 volts with 2 AA battery backup. The unit features a backlit medium display, push-button controls, app control with Wi-Fi connectivity (per listing metadata), and a UWP mounting system for standard wall installation.

• Programmable scheduling with multiple program options and filter change reminders
• Supports up to 2H/1C heat pump or 1H/1C conventional systems; push-button control with backlit display
• Primary power 24 volts; battery backup requires 2 AA; app control and Wi-Fi noted in product data

Product Highlights

T4 Pro programmable thermostat, 24V operation with 2 AA backup, supports 2H/1C or 1H/1C, Wi-Fi/app control, UWP mounting

Product Information

Standard Information

• Brand: HONEYWELL
• Manufacturer Part Number: TH4210U2002/U
• Country of Origin: USA

Technical Specifications

• Brand: Honeywell
• Manufacturer: Honeywell Home
• Model / MPN: TH4210U2002/U
• Product Type: Programmable thermostat
• Series: T4 Pro
• Heating/Cooling Configuration: 2H/1C or 1H/1C
• Input Voltage: 24 Volts
• Power Source: 24 Volts AC or 2 AA batteries (backup)
• Batteries Required: 2 AA batteries
• Connectivity Protocol: Wi-Fi (per listing metadata)
• Control Method: App (per listing)
• Control Type: Button / Push button
• Backlight: Yes
• Mounting Type: UWP mounting system
• Dimensions: 6.3 x 5.2 x 2.4 inches
• Weight: 12.2 ounces
• Display Type: Medium LCD with LED backlight and soft key controls
• Programmability: 7 day, 5-1-1 day, 5-2 day, or Non-Programmable
• Stages: Up to 2 Heat/1 Cool (heat pump); Up to 1 Heat/1 Cool (conventional)
• Operating Temperature Range: 37 to 102 F
• Humidity Rating: 5 to 90% RH non-condensing
• Accuracy: 0.5 deg C
• Display Size: 3.93 sq.in.
• Terminal Designations: R, RC, C, W (O/B), Y, G
• Number of Pieces: 1