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EMERSON 1F86EZ-0251 Digital Thermostat - Digital Thermostats
EMERSONDigital Thermostats

EMERSON 1F86EZ-0251 Digital Thermostat

The EMERSON Low Voltage Thermostat (MPN 1F86EZ-0251) 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 features…

SKU 3G-OTH-70284

Also listed as: 1F86EZ0251 · 1F86EZ 0251

Brand
EMERSON
Item
1F86EZ-0251 Digital Thermostat
Part Number
1F86EZ-0251
Category
Digital Thermostats
Available to Order
Also known as:1F86EZ-0251EMERSON
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Technical Specifications

EMERSON
Manufacturer Part Number
1F86EZ-0251
Type
Manual, C/G/O/B/R/W/Terminal Designations, Auto-On
Shape
Rectangle
Voltage
20V AC
Digit Size
Easy Read
Application
Heat or Cool
Control Type
Push Button
Fan Settings
Auto-On
Key Features
Change Filter Reminders
Changeover Type
Manual
System Settings
Cool-Heat-Off
Mounting Direction
Horizontal
Terminal Designations
C
Temperature Differential
0.6° to 1.7°F
Temperature Control Range
45° to 99°F

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

Product Description

The EMERSON Low Voltage Thermostat (MPN 1F86EZ-0251) 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 features include change filter reminders, a temperature control range of 45° to 99°F, and a temperature differential of 0.6° to 1.7°F. The thermostat has a horizontal mounting direction, push button control, auto-on fan settings, and terminal designations C.

Frequently Asked Questions

What is the EMERSON 1F86EZ-0251 thermostat used for?

The EMERSON 1F86EZ-0251 low voltage thermostat is used for basic heat or cool control in residential or light commercial HVAC systems. It features manual changeover, push-button controls, and auto-on fan settings, making it suitable for simple temperature management with change filter reminders.

What are the specifications of the EMERSON 1F86EZ-0251 thermostat?

The EMERSON 1F86EZ-0251 operates on 20V AC with a temperature control range of 45° to 99°F and a differential of 0.6° to 1.7°F. It has manual changeover, system settings of Cool-Heat-Off, terminal designations C, and includes change filter reminders. The thermostat is rectangular, horizontally mounted, with push-button control and auto-on fan settings.

Where to buy the EMERSON 1F86EZ-0251 thermostat worldwide?

3G Electric supplies the EMERSON 1F86EZ-0251 thermostat worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this low voltage thermostat.

How to install the EMERSON 1F86EZ-0251 thermostat?

To install the EMERSON 1F86EZ-0251, first turn off power to the HVAC system. Mount the thermostat horizontally on a wall, connect the C terminal and other wires per your system's wiring diagram, then secure the faceplate. Restore power and set the system to Cool or Heat with manual changeover.

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 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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