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EMERSON Low Voltage Thermostat: Heat or Cool, Manual, C/E/G/L/O/B/R/W2/Terminal Designations - Digital Thermostats
EMERSONDigital Thermostats

EMERSON Low Voltage Thermostat: Heat or Cool, Manual, C/E/G/L/O/B/R/W2/Terminal Designations

The EMERSON Low Voltage Thermostat (MPN 1F79-111) is a digital thermostat for heat or cool applications, operating on 20V AC with a manual changeover type. It features a slide switch control, auto-on fan settings…

SKU 3G-OTH-70382

Also listed as: 1F79111 · 1F79 111

Brand
EMERSON
Item
Low Voltage Thermostat: Heat or Cool, Manual, C/E/G/L/O/B/R/W2/Terminal Designations
Category
Digital Thermostats
Available to Order
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Worldwide Shipping
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

EMERSON
Manufacturer Part Number
1F79-111
Type
Manual, C/E/G/L/O/B/R/W2/Terminal Designations
AC
20V
Shape
Rectangle
Voltage
20V 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-Emergency Heat-Heat-Off
Mounting Direction
Horizontal
Terminal Designations
Y
Temperature Differential
0.8° to 1.5°F
Temperature Control Range
45° to 99°F

Technical Documents

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

Product Description

The EMERSON Low Voltage Thermostat (MPN 1F79-111) is a digital thermostat for heat or cool applications, operating on 20V AC with a manual changeover type. It features a slide switch control, auto-on fan settings, and a selectable Celsius or Fahrenheit temperature display. The thermostat offers a temperature differential of 0.8° to 1.5°F and a control range of 45° to 99°F, with system settings for Cool, Emergency Heat, Heat, and Off.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the EMERSON 1F79-111 thermostat used for?

The EMERSON 1F79-111 is a low voltage digital thermostat for heat or cool applications. It controls HVAC systems in residential or light commercial buildings, offering manual changeover between heating and cooling modes with system settings for Cool, Emergency Heat, Heat, and Off.

What are the specifications of the EMERSON 1F79-111 thermostat?

The EMERSON 1F79-111 operates on 20V AC with a temperature control range of 45° to 99°F and a differential of 0.8° to 1.5°F. It features a slide switch control, auto-on fan settings, selectable Celsius or Fahrenheit display, and terminal designations including Y. It mounts horizontally.

Where to buy the EMERSON 1F79-111 thermostat worldwide?

3G Electric supplies the EMERSON 1F79-111 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; we source and deliver this thermostat to any country.

How to install the EMERSON 1F79-111 thermostat?

To install the EMERSON 1F79-111, first turn off power to the HVAC system. Mount the thermostat horizontally on a wall, connect wires to the Y terminal and others per your system's wiring diagram, then secure the faceplate. Restore power and set the slide switch to desired mode.

Used in

Common applications for EMERSON
Commercial refrigeration — Emerson single-stage electronic control (SKU 44R204) for walk-in coolers and freezers
HVAC system retrofits — Emerson low-voltage digital thermostat (SKU 3MY10) for heat or cool control in office buildings
Industrial process temperature — Emerson line-voltage mechanical thermostat (SKU 2E399) for equipment heating in manufacturing
Residential heating — Emerson analog heat-only thermostat (SKU 3MU96) for baseboard or radiant systems
Heat pump installations — Emerson standard thermostat (SKU 42PD14) for 1H/1C heat pump systems in commercial spaces
Cooling-only applications — Emerson mechanical cool-only thermostat (SKU 3MU97) for server rooms or storage areas

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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