White-Rodgers · Standalone

White-Rodgers 1F86EZ-0251 Easy Set Thermostat

Non-programmable 1H/1C thermostat with Home, Sleep and Away temperature presets for conventional systems or heat pumps without auxiliary heat.

Legacy model

White-Rodgers 1F86EZ-0251

White-Rodgers 1F86EZ-0251

Will this work with my system?

Match your equipment to these requirements before ordering.

Works with

  • Single-stage gas, oil or electric heat/cool, heat-only or cool-only systems
  • Single-compressor heat pumps without auxiliary heat

System requirements

  • NEC Class II control wiring; do not connect line-voltage heating circuits.
  • Match gas/electric fan operation and the O/B reversing-valve selection to the equipment.

Limitations & exclusions

  • Heat pumps requiring auxiliary heat are outside the documented 1H/1C configuration.

Check before you buy

  1. Compare the installed equipment voltage, stage count and terminal functions with the installation manual before selecting this model.
  2. For a heat pump, confirm there is no auxiliary or emergency heating stage.
Manufacturer documentation (1)

Use these documents to compare your exact model and configuration.

Overview

Non-programmable 1H/1C thermostat with Home, Sleep and Away temperature presets for conventional systems or heat pumps without auxiliary heat.

Home, Sleep and Away buttons recall three user-selected temperatures. An optional sleep timer returns to the Home setting after 1–12 hours. The configurable filter reminder tracks run time; continuous backlighting requires a common-wire connection.

Selection and installation

Use the linked manufacturer documents to compare the exact model, equipment configuration and installation requirements before ordering.

Product details

SKU
907752
Model / MPN
1F86EZ-0251
Condition
New
Lifecycle
Legacy

Specifications

Power sources
Two AA alkaline batteries or 20–30 VAC hardwired power
Setpoint range
45–90 °F
Operating temperature
32–105 °F
Operating humidity
90% RH maximum, non-condensing
Dimensions
3-3/4 in H × 4-3/4 in W × 1-1/2 in D
Fan modes
Auto; On
Changeover modes
Manual
Stage modes
Conventional: 1H/1C; heat pump without auxiliary heat: 1H/1C
Scheduling modes
Non-programmable; Home, Sleep and Away presets
Contact ratings
1.0 A per terminal; 1.5 A combined maximum
System modes
Heat; Off; Cool
C wire requirement
Optional with batteries; required for continuous backlight
Service reminders
Configurable filter-change timer

Documents & downloads