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EMERSON Low Voltage Thermostat: Heat Only, RH/W, No Fan Setting, On-Off - Analog Thermostats
EMERSONAnalog Thermostats

EMERSON Low Voltage Thermostat: Heat Only, RH/W, No Fan Setting, On-Off

The EMERSON Low Voltage Thermostat: Heat Only is an analog thermostat designed for heat-only applications. It operates with a 30V AC supply and features an On-Off system setting controlled by a slide switch, with a…

SKU 3G-OTH-70876

Also listed as: 01C20101S1 · 01C20-101S1

Brand
EMERSON
Item
Low Voltage Thermostat: Heat Only, RH/W, No Fan Setting, On-Off
Category
Analog Thermostats
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

EMERSON
Manufacturer Part Number
01C20 101S1
Type
RH/W, No Fan Setting, On-Off, On-Off/No Fan Setting
Shape
Rectangle
Voltage
30V AC
Digit Size
Standard
Application
Heat Only
Control Type
Slide Switch
Fan Settings
No Fan Setting
System Settings
On-Off
Mounting Direction
Vertical
Terminal Designations
RH
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 designed for heat-only applications. It operates with a 30V AC supply and features an On-Off system setting controlled by a slide switch, with a temperature control range of 50° to 90°F and a heating differential of 2°F. The thermostat has a rectangular shape, mounts vertically, and uses RH terminal designations.

Frequently Asked Questions

What is the EMERSON 01C20 101S1 low voltage thermostat used for?

The EMERSON 01C20 101S1 is an analog thermostat designed for heat-only applications. It controls heating systems such as furnaces or boilers, operating at 30V AC with an On-Off slide switch and a temperature range of 50° to 90°F. It is suitable for residential or light commercial environments where no fan control is needed.

What are the specifications of the EMERSON 01C20 101S1 thermostat?

The EMERSON 01C20 101S1 is a rectangular analog thermostat for heat-only use. It operates at 30V AC, has a heating differential of 2°F and cooling differential of 4°F, and a temperature control range of 50° to 90°F. It features RH terminal designations, a slide switch for On-Off system settings, and vertical mounting with no fan setting.

Where to buy the EMERSON 01C20 101S1 thermostat worldwide?

3G Electric supplies the EMERSON 01C20 101S1 thermostat to customers 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 analog thermostat for heat-only applications to any country.

How to install the EMERSON 01C20 101S1 low voltage thermostat?

To install the EMERSON 01C20 101S1, first turn off power to the heating system. Mount the thermostat vertically on a wall using the provided base. Connect the RH terminal to the 30V AC heating circuit. Set the slide switch to On-Off and adjust the temperature dial between 50° and 90°F. Restore power and verify heating operation.

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 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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