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White rectangular thermostat with large backlit display and soft buttons

Venstar

Venstar T1050 programmable multi-stage thermostat

SKU CH-XRS8-VE2DC MPN T1050

Programmable thermostat with large backlit display, auto changeover and two-stage heating and cooling control

  • TypeProgrammable Thermostats
  • Programmable 5+2 day schedule with up to 4 daily periods
  • Auto changeover switches between heating and cooling automatically
  • Controls temperature to within 1 degree of set point
  • 2-stage heat and 2-stage cool for multi-stage systems
  • Lockable keypad prevents unauthorized changes

Programmable Multi-Stage Thermostat

The Venstar T1050 is a programmable thermostat designed for residential and light commercial HVAC systems. It supports up to two stages of heating and two stages of cooling, compatible with gas/electric, heat pump, electric and hydronic configurations. A large, continuously backlit display and soft-touch buttons simplify daily operation for installers and end users alike.

Replaces Totaline P474-1050 and Carrier Models

This unit serves as a direct replacement for the Totaline P474-1050, Carrier TSTATCCPB501 and Bryant TSTATBBPB501 thermostats. The upgrade is worthwhile when an existing controller lacks multi-stage support or a readable backlit interface. Installers gain autochangeover functionality and keypad locking without rewiring, as the thermostat operates on four or five wires without a common connection.

Practical Limits of 5+2 Day Programming

The 5+2 day schedule allows up to four time periods per weekday and a separate weekend program, which suits regular occupancy patterns. It does not support independent daily schedules or seven-day programming, limiting flexibility for irregular shift work. All settings are retained in non-volatile memory during power loss, and temperature control holds within one degree of the set point.

Highlights

  • Programmable 5+2 day schedule with up to 4 daily periods
  • Auto changeover switches between heating and cooling automatically
  • Controls temperature to within 1 degree of set point
  • 2-stage heat and 2-stage cool for multi-stage systems
  • Lockable keypad prevents unauthorized changes

Specifications

TypeProgrammable Thermostats

Questions about this item

What wiring does the T1050 need to fit my existing HVAC system?

Works with 4 or 5 wires and does not require a common wire for installation.

What step do people miss when installing the T1050 thermostat?

They forget to configure the installer settings for their specific system type, such as gas/electric or heat pump.

What replacement part will the T1050 need over time?

The internal battery that keeps programming and set points in non-volatile memory during power loss.

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