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White rectangular thermostat with backlit LCD display

WHITE RODGERS (EMERSON ELEC)

WHITE RODGERS 1F82-261 Classic 80 Series thermostat

SKU CH-6XTZ-W2CAZ

A programmable thermostat with 5-1-1 scheduling, two heating stages, one cooling stage, and a 1.8 sq in backlit LCD display

  • TypeProgrammable Thermostats
  • ColorWhite
  • 5-1-1 weekly programming matches your schedule
  • 2 heat / 1 cool stages suit multi-stage systems
  • 8 sq in backlit LCD reads clearly
  • filter indicator reminds you to service
  • battery backup keeps settings during outages

Classic 80 Series Programmable Thermostat

The White Rodgers Classic 80 Series is a low-voltage programmable thermostat designed for residential HVAC systems. It supports two stages of heating and one stage of cooling with a 5-1-1 weekly program schedule. The unit features a backlit 1.8 sq in LCD display and offers system switching for heat, cool, off, and emergency modes.

Installers needing multi-stage heat

This thermostat suits technicians replacing older mechanical controls where two heat stages and single-stage cooling are required. The 5-1-1 programming allows separate weekday and weekend temperature profiles with four daily settings. Buyers who need WiFi connectivity, humidification control, or remote sensing capability should look at other models, as this unit lacks those features.

Two heat stages and one cool stage

The defining specification is the 2H/1C staging configuration, which determines compatibility with specific furnace and heat pump setups. The terminal designations include R, C, Y, W2, G, O/B, E, and L for conventional and heat pump wiring. Battery backup retains programs during power loss, while a filter indicator reminds users of maintenance needs.

Highlights

  • 5-1-1 weekly programming matches your schedule
  • 2 heat / 1 cool stages suit multi-stage systems
  • 8 sq in backlit LCD reads clearly
  • filter indicator reminds you to service
  • battery backup keeps settings during outages

Specifications

BrandWhite Rodgers
TypeProgrammable Thermostats
ColorWhite

Questions about this item

Which terminals must be present on my system for the 1F82-261 to wire up?

The thermostat uses R, C, Y, W2, G, O/B, E and L terminals; your equipment must provide matching connections for each function you need.

What is the common wiring mistake when installing the 1F82-261?

Forgetting to connect the C terminal so the unit has continuous power for the display and memory.

When should I replace the backup batteries in the 1F82-261?

Replace the AA batteries once a year or whenever the low-battery indicator appears on the LCD.

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