We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
White rectangular programmable thermostat model 1045 with large backlit digital display

Venstar

Venstar T1045 5+2 Day Programmable Thermostat

SKU CH-9X2F-H0QWX

A 5+2 day programmable thermostat with a large backlit display for 2-heat/1-cool heat pump systems

  • Product typeProgrammable Thermostats
  • 5+2 day scheduling matches weekday and weekend routines
  • 2 heat / 1 cool stages suit heat-pump systems
  • Battery or system powered for flexible installation
  • Large backlit display gives clear readings in any light
  • Simple controls make daily adjustments quick and easy

Venstar T1045 5+2 Day Programmable Thermostat

The Venstar T1045 is a 5+2 day programmable digital thermostat designed for heat-pump systems with two heating stages and one cooling stage. It suits homeowners who want straightforward scheduling without complex menus.

Installation and common issues

The unit works with four-wire installations and can be powered by batteries or the system itself, so no separate transformer is required. A large backlit display makes wiring labels easy to read during setup. Missing a common wire is the typical reason the display stays dim or the schedule resets.

Capacity limits and headroom

Two heating stages and one cooling stage cover standard single-zone heat-pump configurations comfortably. Systems that demand three heating stages, two cooling stages, or multi-zone control exceed what this thermostat can manage.

How it compares

Measured against everything we stock in Thermostats & Thermostat Accessories, at today’s prices. Recalculated every night.

Price $69.99
Cheaper than about 55% of the 286 comparable items (median $78.49).

Specifications

Product
Product typeProgrammable Thermostats

Questions about this item

How do I confirm the T1045 is operating correctly after installation?

The large backlit digital display shows the current temperature, active heating or cooling stage, and programmed schedule, giving immediate visual confirmation that the thermostat is controlling the heat pump as intended.

What comes with the T1045 and what must be purchased separately?

The thermostat unit includes the backlit display and mounting hardware; batteries are optional for backup power, and no additional sensors or modules are required for 4-wire heat-pump systems.

Which version of the T1045 suits a 2-heat/1-cool heat-pump setup?

The single model T1045 is built for 2-heat/1-cool heat pumps and works with 4-wire installations, so no alternative version or capacity needs to be selected.

More in Thermostats & Thermostat Accessories

Similar items