T4 Programmable Thermostat, 20-30Vac, 1 Heat/1 Cool Heat Pump or 1 Heat/1 Cool Conventional, Heat-Off-Cool-Auto System Switching, Auto-On Fan Switching, Auto or Manual Changeover, Premier White, 40-90 Degree Heat Temperature Setting Range, 50-99 Degree Cool Temperature Setting Range, Dual Powered: Battery or Hardwire, Horizontal Mount, Programmability: 7 Day, 5-1-1, 5-2 or Non Programmable

TH4110U2005 is the updated version for TH4110D1007, PSP511C, PSP511A

Resideo TH4110U2005 T4 Programmable Thermostat – 1 Heat/1 Cool, Non-WiFi, White

The Resideo TH4110U2005 T4 Programmable Thermostat delivers reliable temperature control for residential HVAC systems, combining flexible programmability with a clean, modern design. Designed for 1 Heat/1 Cool heat pump or conventional systems, this low-voltage digital thermostat offers easy installation, intuitive operation, and dependable performance—ideal for homeowners and contractors alike.

With 7-Day, 5-1-1, 5-2, or non-programmable scheduling options, the T4 adapts to any lifestyle. The Adaptive Intelligent Recovery feature ensures your home reaches the desired temperature right when you need it, while the backlit display provides clear visibility of indoor temperature, system mode, and status. Dual power options allow operation via 2 AA batteries or hardwired connection for added flexibility.

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Key Features & Benefits

• Compatible Systems: 1 Heat/1 Cool heat pump or 1 Heat/1 Cool conventional systems

• Programmability Options: 7-Day, 5-1-1, 5-2, or non-programmable

• Temperature Ranges:

  • Heating: 40°F–90°F (4°C–32°C)

  • Cooling: 50°F–99°F (10°C–37°C)

• System & Fan Switching: Heat / Off / Cool / Auto; Auto or On fan

• Changeover: Auto or Manual

• Display: Backlit digital display showing time, mode, indoor temperature, and status

• Smart Comfort: Adaptive Intelligent Recovery for precise temperature timing

• Alerts & Reminders: Battery replacement and filter change notifications

• Power Options: Dual powered – battery or hardwired (20–30 Vac)

• Mounting: Horizontal mount with UWP wall plate

• Color: Premier White

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Included in the Box

• Resideo T4 Pro Thermostat

• UWP Wall Plate

• Decorative cover plate

• Screws and anchors

• Installation literature

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Product Specifications

• Thermostat Type: Digital, low voltage, programmable, heat pump compatible

• Wi-Fi / RedLINK: No

• Stages: 1 Heat / 1 Cool

• Modes: Heat, Cool

• Display Language: English

• Power Source: Battery operated or hardwired

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The Resideo TH4110U2005 T4 Programmable Thermostat is a dependable, contractor-preferred solution for precise temperature control without the complexity of Wi-Fi—perfect for residential upgrades or replacements where simplicity, flexibility, and performance matter.