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White rectangular thermostat with digital display and slide switch

Emerson Climate Technologies

Emerson Climate Technologies 1F89-211 Classic 80 Series Thermostat 2H/1C Hardwired 20/30VAC

SKU CH-DSR8-FBS28

A non-programmable thermostat controlling heating and cooling systems with a 45 to 99 degree Fahrenheit range and adjustable differential

  • Product typeNon-Programmable Thermostats
  • Product colorWhite
  • Non-programmable simplicity for straightforward climate control
  • 2 heat / 1 cool stages suit common HVAC systems
  • Hardwired 20/30 VAC power ensures reliable operation
  • Adjustable differential lets you fine-tune temperature swing
  • 45 to 99 °F range covers typical comfort settings

Emerson Classic 80 Series Thermostat

The Emerson 1F89-211 Classic 80 Series thermostat is a non-programmable, hardwired control for low-voltage HVAC systems. It operates on 20/30VAC power and manages two heating stages and one cooling stage. A slide switch selects the system mode while the fan runs on auto or on settings. The white digital display shows the current temperature with standard digit size.

For basic manual climate control

This thermostat suits owners of electric forced-air furnaces, gas forced-air furnaces or heat pumps with auxiliary heat who want simple manual adjustment. It includes a positive off position and an adjustable differential. Buyers who need programmable schedules, humidification or dehumidification control, or dual-transformer compatibility should look at other models.

45 to 99 degree control range

The adjustable temperature range spans 45 to 99 degrees Fahrenheit, which determines whether the unit meets the heating and cooling setpoints required for the installation.

How it compares

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

Price $47.99
Cheaper than about 65% of the 286 comparable items (median $78.49).

Specifications

Product
Brand nameEmerson
Product typeNon-Programmable Thermostats
Product colorWhite

Questions about this item

Will the 1F89-211 thermostat need battery changes over time?

The unit is hardwired for 20/30VAC power, so no battery replacement is required during normal operation.

What temperature ceiling stops the heating cycle on this model?

The maximum control temperature is set at 99 degrees F, which limits how high the heating set-point can go.

How much power does the 1F89-211 draw when running continuously?

It operates on a 20/30VAC low-voltage supply typical of HVAC control circuits, drawing only the small current needed for the display and relays.

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