---
product_id: 298518260
title: "Emerson 1F78-151 5-2 Day Programmable Thermostat for Single-Stage Systems"
brand: "emerson"
price: "AR$293234"
currency: ARS
in_stock: true
url: https://www.desertcart.com.ar/products/298518260-emerson-1f78-151-5-2-day-programmable-thermostat-for-single
store_origin: AR
region: Argentina
---

# 24V power for reliable performance 3 AA batteries included for backup 5-2 day programmable schedule Emerson 1F78-151 5-2 Day Programmable Thermostat for Single-Stage Systems

**Brand:** emerson
**Price:** AR$293234
**Availability:** ✅ In Stock

## Summary

> 🌡️ Stay ahead of the curve with smart comfort control!

## Quick Answers

- **What is this?** Emerson 1F78-151 5-2 Day Programmable Thermostat for Single-Stage Systems by emerson
- **How much does it cost?** AR$293234 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/298518260-emerson-1f78-151-5-2-day-programmable-thermostat-for-single)

## Best For

- emerson enthusiasts

## Why This Product

- Trusted emerson brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Reliable Power:** Powered by 24V corded electric source with battery backup to keep settings intact.
- • **Made in the USA:** Quality craftsmanship you can trust, supporting local manufacturing.
- • **Effortless Control:** Intuitive button interface with backlit display ensures easy adjustments anytime.
- • **Precision Scheduling:** Customize your week with 5-2 day programming for ultimate comfort and energy savings.
- • **Sleek & Classic Design:** Minimalist white rectangular shape blends seamlessly into any modern workspace or home office.

## Overview

The Emerson 1F78-151 is a 5-2 day programmable thermostat designed for single-stage HVAC systems. Featuring a user-friendly button control with backlit display, it operates on 24 volts with a corded electric power source and includes 3 AA batteries for backup. Its classic white rectangular design mounts easily on walls, offering reliable, customizable temperature management made in the USA.

## Description

Emerson 1F78-151 5-2 Day Programmable Thermostat for Single-Stage Systems

## Features

- Programmable

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Emerson |
| Special Feature | Programmable |
| Colour | white |
| Power Source | Corded Electric |
| Voltage | 24 Volts |
| Shape | Rectangular |
| Control Type | Button Control |
| Mounting Type | Wall Mount |
| Style | Classic |
| Backlight | Yes |
| Wattage | 1E+1 |
| Number of Batteries | 3 AA batteries required. (included) |
| UPC | 735090427795 786710100673 783961279493 |
| Global Trade Identification Number | 00786710100673 |
| Country of Origin | USA |
| Item model number | 1F78-151 |
| ASIN | B000PY0LVO |

## Product Details

- **Brand:** Emerson
- **Special Feature:** Programmable
- **Colour:** white
- **Power Source:** Corded Electric
- **Voltage:** 24 Volts
- **Shape:** Rectangular
- **Control Type:** Button Control
- **Mounting Type:** Wall Mount
- **Style:** Classic
- **Backlight:** Yes

## Images

![Emerson 1F78-151 5-2 Day Programmable Thermostat for Single-Stage Systems - Image 1](https://m.media-amazon.com/images/I/71Dh6gwTomL.jpg)
![Emerson 1F78-151 5-2 Day Programmable Thermostat for Single-Stage Systems - Image 2](https://m.media-amazon.com/images/I/51pNX4l-HIL.jpg)
![Emerson 1F78-151 5-2 Day Programmable Thermostat for Single-Stage Systems - Image 3](https://m.media-amazon.com/images/I/6190Lw05cHL.jpg)
![Emerson 1F78-151 5-2 Day Programmable Thermostat for Single-Stage Systems - Image 4](https://m.media-amazon.com/images/I/71xyQl2gG8L.jpg)
![Emerson 1F78-151 5-2 Day Programmable Thermostat for Single-Stage Systems - Image 5](https://m.media-amazon.com/images/I/81xOFMF-u4L.jpg)

## Questions & Answers

**Q: Is it easy to program start and stop times?   The one I have now is so complicated.**
A: Yes.  For weekdays first hit PRGM and enter the times and temperature, then hit Run to enter them.  Repeat for weekend.  There are no stop times, you are simply changing the temperature at these entered times.

**Q: Can it be used manually. Ie. Without programming**
A: I always use it in manual because I don't like the way the program feature is set up.  Just choose heat or cool, fan in auto, and set temp, all you have to do.  If you want programmable I would recommend something else.

**Q: how do I get manual for my model # aF78**
A: I could not find White Rogers thermostat with your model number. However I did find on designated as "1 F 78" (The spaces are intentional.) Be careful to search for models using the case (upper or lower) and spaces. This is the URL that found: http://www.manualslib.com/manual/194524/White-Rodgers-1-F-78.htmlOne word of advice if you intend to replace the unit. If you have a camera that will do it, take a very closeup photo of the wiring connections before you disturb them. It will save you much grief and, maybe, a service call. I hope this helps. DG

**Q: Can it be set for one degree cycle rate, e.g., set temp at 70 so heat will go on at 69 then off at 71?**
A: Don’t understand your question as mine is basically an on-off action. If in heat mode setting 69F, will cause heater to shut off when 69 reached. Heater back on if temp drops below 69F. There’s a little delay, like 1 degree such that heater waits before turning on or off too quickly. Call vendor for more info.

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-05-08*