White-Rodgers 70 Series 1F78-151 HVAC Control 5-2 Day Programmable Thermostat
A 5-2 day programmable thermostat with backlit display for single-stage heating, cooling and heat-pump systems, battery-powered with precise ±1 °F control
- Rated voltage125VAC
- Mounting styleWall Mount
- Relay contact70 Series, 24 V
- Certifications and standardsNot capable emitting RF energy
- Product typeCooling/Heating, Push Button
- Size or dimensions1.75 in × 6.25 in × 4.25 in
- Programmable 5-2 day schedule fits weekday and weekend routines
- Easy-to-read backlit display shows temperature clearly in any light
- Precise control within plus/minus 1 degree Fahrenheit maintains comfort
- Battery powered with two AAA cells included for broad system compatibility
- Works with single-stage heating, cooling and heat pump systems without auxiliary heat
Product identity
The White-Rodgers 70 Series 1F78-151 is a 5-2 day programmable thermostat designed for single-stage heating, cooling and heat-pump systems without auxiliary heat. It mounts on a wall and operates on 24-volt or millivolt control circuits with a 125 VAC supply rating. The pack contains twelve units, each sold individually.
Who it suits and who it does not
Homeowners who want separate weekday and weekend schedules and need battery-powered operation for broad wiring compatibility will find this model suitable. It is not intended for electric baseboard heat, multi-stage equipment or systems that require auxiliary heat control. Builders needing RF-emitting smart features should look elsewhere.
Build integration
The thermostat measures 1.75 in x 6.25 in x 4.25 in and includes two AAA batteries, freeing the installer from running a common wire. Its push-button interface and backlit display simplify set-up on existing 24-volt relay contacts. The white finish blends with standard wall plates.
How it compares
Measured against everything we stock in Heating & Cooling Controllers, at today’s prices. Recalculated every night.
- Price $51.99
- Typical for this category: the median of 1,762 items is $45.99.
Specifications
| Product | |
|---|---|
| Brand name | White-Rodgers, Copeland |
| Model name | 1F78-151 |
| Part number | 1F78-151 |
| Product type | Cooling/Heating, Push Button |
| Product color | White |
| Power | |
| Rated voltage | 125VAC |
| Size & build | |
| Size or dimensions | 1.75 in × 6.25 in × 4.25 in |
| Mounting style | Wall Mount |
| In the box | |
| Number of items | 12 pack |
| Environment & compliance | |
| Certifications and standards | Not capable emitting RF energy |
| More details | |
| Relay contact | 70 Series, 24 V |
Questions about this item
Does my HVAC system need a 24-volt relay contact for the 1F78-151 to operate?
Yes, the thermostat uses a 24-volt relay contact from the 70 Series and is designed for 24-volt and millivolt systems, not line-voltage electric baseboard heat.
Will the 1F78-151 control my existing single-stage heat pump without auxiliary heat?
It is compatible with single-stage heating, cooling and heat pump systems that do not use auxiliary heat, providing precise temperature control within plus or minus 1 degree F.
How can I confirm the 5-2 day schedule is running after I install the two AAA batteries?
The easy-to-read backlit display shows the active program period and current temperature, so you can verify the weekday and weekend schedules are executing as set.
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