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EMERSON 01C21 101S1 Analog Thermostat, Cool Only, Slide Switch, 30V AC - Analog Thermostats
EMERSONAnalog Thermostats

EMERSON 01C21 101S1 Analog Thermostat, Cool Only, Slide Switch, 30V AC

The EMERSON Mechanical Cool Only Thermostat is an analog thermostat designed for cool-only applications. It features a slide switch control type, operates at 30V AC, and has a temperature control range of 50° to 90°F…

SKU 3G-OTH-71009

Also listed as: 01C21101S1 · 01C21-101S1

Brand
EMERSON
Item
01C21 101S1 Analog Thermostat, Cool Only, Slide Switch, 30V AC
Part Number
01C21 101S1
Category
Analog Thermostats
Available to Order
Also known as:01C21 101S1EMERSON
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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
01C21 101S1
Type
R/Terminal Designations, No Fan Setting, On
Shape
Rectangle
Voltage
30V AC
Digit Size
Standard
Application
Cool Only
Control Type
Slide Switch
Fan Settings
No Fan Setting
System Settings
On
Mounting Direction
Vertical
Terminal Designations
Y
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 Mechanical Cool Only Thermostat is an analog thermostat designed for cool-only applications. It features a slide switch control type, operates at 30V AC, and has a temperature control range of 50° to 90°F with a 4°F cooling differential. The thermostat includes a Y terminal designation, no fan setting, and is mounted vertically in a rectangular shape.

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 Mechanical Cool Only Thermostat used for?

This analog thermostat is designed for cool-only applications, such as controlling air conditioning systems in commercial or industrial spaces. It operates at 30V AC and provides a temperature control range of 50° to 90°F with a 4°F cooling differential.

What are the specifications of the EMERSON 01C21 101S1 thermostat?

The EMERSON 01C21 101S1 is a cool-only analog thermostat with a slide switch control, Y terminal designation, and no fan setting. It operates at 30V AC, has a 2°F heating and 4°F cooling differential, and a temperature range of 50° to 90°F. It is rectangular and mounts vertically.

Where to buy the EMERSON 01C21 101S1 thermostat worldwide?

3G Electric supplies the EMERSON 01C21 101S1 thermostat worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this cool-only analog thermostat for your project.

How to install the EMERSON Mechanical Cool Only Thermostat?

Install the EMERSON thermostat by mounting it vertically on a wall in a location away from drafts or heat sources. Connect the Y terminal to the cooling system's control wire, ensure 30V AC power is supplied, and set the slide switch to On. Always follow local electrical codes and the manufacturer's instructions.

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
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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
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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

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