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EMERSON 01C20 102S1 Analog Thermostat, Heat Only, Vertical Mount - Analog Thermostats
EMERSONAnalog Thermostats

EMERSON 01C20 102S1 Analog Thermostat, Heat Only, Vertical Mount

The EMERSON Low Voltage Thermostat: Heat Only is an analog thermostat in a rectangular shape, designed for vertical mounting. It operates on 30V AC with a temperature control range of 50° to 90°F and a temperature…

SKU 3G-OTH-70847

Also listed as: 01C20102S1 · 01C20-102S1

Brand
EMERSON
Item
01C20 102S1 Analog Thermostat, Heat Only, Vertical Mount
Part Number
01C20 102S1
Category
Analog Thermostats
Available to Order
Also known as:01C20 102S1EMERSON
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
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Technical Specifications

EMERSON
Manufacturer Part Number
01C20 102S1
Type
RH/W, No Fan Setting, On, On/No Fan Setting, Vertical
Shape
Rectangle
Voltage
30V AC
Digit Size
Standard
Application
Heat Only
Control Type
Slide Switch
Fan Settings
No Fan Setting
System Settings
On
Mounting Direction
Vertical
Terminal Designations
W
Temperature Differential
2°F Heating, 4°F Cooling
Temperature Control Range
50° to 90°F

Technical Documents

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

Product Description

The EMERSON Low Voltage Thermostat: Heat Only is an analog thermostat in a rectangular shape, designed for vertical mounting. It operates on 30V AC with a temperature control range of 50° to 90°F and a temperature differential of 2°F for heating and 4°F for cooling. This heat-only unit features a slide switch control, no fan setting, and a single terminal designation of W for system settings set to On.

Frequently Asked Questions

What is the EMERSON Low Voltage Thermostat 01C20 102S1 used for?

The EMERSON Low Voltage Thermostat 01C20 102S1 is used for heat-only applications in residential or light commercial HVAC systems. It controls a single-stage heating system via a slide switch, with no fan setting, and operates on 30V AC. Typical installations include baseboard heaters, gas furnaces, or electric heat systems.

What are the specifications of the EMERSON 01C20 102S1 thermostat?

The EMERSON 01C20 102S1 is an analog, heat-only thermostat with a rectangular shape for vertical mounting. It operates at 30V AC, has a temperature control range of 50° to 90°F, and a temperature differential of 2°F for heating and 4°F for cooling. It features a slide switch, terminal designation W, and no fan setting.

Where to buy the EMERSON 01C20 102S1 thermostat worldwide?

You can source the EMERSON 01C20 102S1 thermostat worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we provide reliable sourcing for this EMERSON analog thermostat.

How to install the EMERSON Low Voltage Thermostat 01C20 102S1?

To install the EMERSON 01C20 102S1, first turn off power to the heating system. Mount the thermostat vertically on a wall away from drafts. Connect the 30V AC supply to terminal W per the wiring diagram. Set the slide switch to On and adjust the temperature dial. Always follow local electrical codes and the manufacturer's instructions.

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 analog thermostats. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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This analog thermostat is designed for heat-only applications, controlling single-stage electric heating systems such as baseboard heaters or radiant ceilings. It features an exposed dial for temperature adjustment from 55° to 85°F, operates on 120 to 240V AC, and has a SPST switch action (open on rise). The dustproof case protects internal components in typical residential or light commercial environments
EMERSON
This analog thermostat is designed for heat-only applications, controlling single-stage electric heating systems such as baseboard heaters or radiant ceilings. It features an exposed dial for temperature adjustment from 55° to 85°F, operates on 120 to 240V AC, and has a SPST switch action (open on rise). The dustproof case protects internal components in typical residential or light commercial environments

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