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EMERSON Digital Thermostat - Digital Thermostats
EMERSONDigital Thermostats

EMERSON Digital Thermostat

The EMERSON Low Voltage Thermostat (SKU 01F78 144S1, MPN 01F78 144S1) is a digital thermostat for heat or cool applications. It operates on 30V AC with a manual changeover and system settings of Cool-Heat-Off. Key…

SKU 3G-OTH-70177

Also listed as: 01F78144S1 · 01F78-144S1

Brand
EMERSON
Item
Digital Thermostat
Part Number
01F78 144S1
Category
Digital Thermostats
Available to Order
Also known as:01F78 144S1EMERSON
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Technical Specifications

EMERSON
Manufacturer Part Number
01F78 144S1
Type
Manual, B/G/O/RC/RH/W/Terminal Designations, Auto-On
Shape
Rectangle
Voltage
30V AC
Digit Size
Standard
Application
Heat or Cool
Control Type
Slide Switch
Fan Settings
Auto-On
Key Features
Selectable Celsius or Fahrenheit Temperature Display
Changeover Type
Manual
System Settings
Cool-Heat-Off
Mounting Direction
Horizontal
Terminal Designations
Y
Temperature Differential
0.8° to 1.5°F
Temperature Control Range
45° to 99°F

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EMERSON Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The EMERSON Low Voltage Thermostat (SKU 01F78 144S1, MPN 01F78 144S1) is a digital thermostat for heat or cool applications. It operates on 30V AC with a manual changeover and system settings of Cool-Heat-Off. Key specifications include a temperature control range of 45° to 99°F, a temperature differential of 0.8° to 1.5°F, and a selectable Celsius or Fahrenheit temperature display.

Frequently Asked Questions

What is the EMERSON Low Voltage Thermostat 01F78 144S1 used for?

The EMERSON Low Voltage Thermostat is used for manual heat or cool control in residential or light commercial HVAC systems. It operates on 30V AC and features system settings of Cool-Heat-Off, a manual changeover, and a selectable Celsius or Fahrenheit display.

What are the specifications of the EMERSON 01F78 144S1 thermostat?

The EMERSON 01F78 144S1 is a digital thermostat for heat or cool applications. It operates at 30V AC with a temperature control range of 45° to 99°F and a differential of 0.8° to 1.5°F. It has manual changeover, Cool-Heat-Off settings, and Auto-On fan control.

Where to buy the EMERSON 01F78 144S1 thermostat worldwide?

3G Electric supplies the EMERSON 01F78 144S1 thermostat worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the EMERSON Low Voltage Thermostat?

To install the EMERSON thermostat, first turn off power to the HVAC system. Mount the thermostat horizontally, connect wires to the Y terminal and other designations as needed, then secure the base. Set the slide switch to desired system mode and fan setting.

Used in

Common applications for EMERSON
Residential HVAC — Emerson 1F87U-42WF low-voltage WiFi thermostat for 7-day programmable heat and cool control
Light commercial buildings — Emerson 2E399 line-voltage mechanical thermostat for indoor single-stage heating or cooling
Industrial process control — Emerson 586-314111 DC power solenoid for high-current switching in 24 V DC systems
Remote temperature sensing — Emerson F0145 132800S1 hardwired sensor for White-Rodgers 90 Series thermostats
Thermostat replacement — Emerson 3MY21 wall cover plate for White-Rodgers 1F80 Series installations
HVAC control panels — Emerson 1RC43 line-voltage thermostat with SPST switch for capillary bulb applications
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EMERSON Products

3G Electric supplies EMERSON digital thermostats. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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