We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

3G Electric
EMERSON 01E78 144 Digital Thermostat, Manual Changeover, Heat/Cool, 20V AC - Digital Thermostats
EMERSONDigital Thermostats

EMERSON 01E78 144 Digital Thermostat, Manual Changeover, Heat/Cool, 20V AC

The EMERSON Low Voltage Thermostat (SKU 01E78 144, MPN 01E78 144) is a digital thermostat for Heat or Cool applications. It operates on 20V AC with a manual changeover type and system settings of Cool-Heat-Off. Key…

SKU 3G-OTH-70478

Also listed as: 01E78144 · 01E78-144

Brand
EMERSON
Item
01E78 144 Digital Thermostat, Manual Changeover, Heat/Cool, 20V AC
Part Number
01E78 144
Category
Digital Thermostats
Available to Order
Also known as:01E78 144EMERSON
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
01E78 144
Type
Manual, B/G/O/RC/RH/W/Terminal Designations, Auto-On
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-Heat-Off
Mounting Direction
Vertical
Terminal Designations
W
Temperature Differential
0.8° to 1.5°F
Temperature Control Range
45° to 99°F

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The EMERSON Low Voltage Thermostat (SKU 01E78 144, MPN 01E78 144) is a digital thermostat for Heat or Cool applications. It operates on 20V AC with a manual changeover type and system settings of Cool-Heat-Off. Key specs 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. The thermostat features a slide switch control, Auto-On fan setting, and terminal designation W.

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 Low Voltage Thermostat 01E78 144 used for?

The EMERSON Low Voltage Thermostat 01E78 144 is used for basic heat or cool control in residential or light commercial HVAC systems. It operates on 20V AC with manual changeover and system settings of Cool-Heat-Off, making it suitable for simple temperature management where automatic changeover is not required.

What are the specifications of the EMERSON Low Voltage Thermostat 01E78 144?

The EMERSON Low Voltage Thermostat 01E78 144 operates on 20V AC with a temperature control range of 45° to 99°F and a temperature differential of 0.8° to 1.5°F. It features a slide switch control, Auto-On fan setting, manual changeover, and terminal designation W. The display is selectable in Celsius or Fahrenheit.

Where to buy the EMERSON Low Voltage Thermostat 01E78 144 worldwide?

You can source the EMERSON Low Voltage Thermostat 01E78 144 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this thermostat.

How to install the EMERSON Low Voltage Thermostat 01E78 144?

To install the EMERSON Low Voltage Thermostat 01E78 144, first turn off power to the HVAC system. Mount the thermostat vertically on a wall, connect the W terminal to the heating or cooling equipment, and secure the slide switch. Set the desired temperature within the 45° to 99°F range and select Celsius or Fahrenheit display as needed.

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
Not sure this is the right part? Photo-identify it

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from EMERSON

View all EMERSON parts

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first