White-Rodgers · Standalone
White-Rodgers 1F78-151 5+2 Day Programmable Thermostat
5+2 day programmable battery-powered thermostat for single-stage conventional systems and heat pumps without auxiliary heat.
Legacy model
Will this work with my system?
Match your equipment to these requirements before ordering.
Works with
- Single-stage 24 V gas, oil or electric heat/cool, heat-only or cool-only systems
- Heat pumps without auxiliary or emergency heat
- Two-wire hot-water zone heating and documented millivolt heating
System requirements
- Two AAA alkaline batteries are required.
- Match separate heating/cooling transformers to the manual’s corresponding wiring diagram.
Limitations & exclusions
- Multistage systems or heat pumps with auxiliary/emergency heat
- Three-wire hot-water zone valves
- 110/240 V line-voltage or baseboard systems
Check before you buy
- Compare the installed equipment voltage, stage count and terminal functions with the installation manual before selecting this model.
- Check the backplate revision: the manual directs earlier jumper layouts to document 37-7006.
Manufacturer documentation (1)
Use these documents to compare your exact model and configuration.
Overview
5+2 day programmable battery-powered thermostat for single-stage conventional systems and heat pumps without auxiliary heat.
Separate weekday and weekend schedules provide four heating and cooling periods per day. Temporary override and a hold setting are provided. The control uses two AAA batteries; the switched circuit rating is not its battery supply voltage.
Selection and installation
Use the linked manufacturer documents to compare the exact model, equipment configuration and installation requirements before ordering.
Product details
- Manufacturer
- Copeland Comfort Control
- SKU
- 908009
- Model / MPN
- 1F78-151
- Condition
- New
- Lifecycle
- Legacy
Specifications
- Power sources
- Two AAA alkaline batteries
- Stage modes
- Conventional: 1H/1C; heat pump without auxiliary heat: 1H/1C
- Scheduling modes
- 5+2 day
- Contact ratings
- 0.05–1.0 A per terminal; 1.5 A combined maximum; control circuits up to 30 VAC, 50/60 Hz or DC
- Setpoint range
- 45–90 °F
- Operating temperature
- 32–105 °F
- Operating humidity
- 0–90% RH, non-condensing
- Millivolt support
- Yes, documented floor/wall furnace applications
- Dual transformer support
- Yes, separate heating and cooling transformer diagrams
- System modes
- Heat; Off; Cool
- Fan modes
- Auto; On