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EMERSON 1F89EZ-0251 Digital Thermostat, Manual Changeover, Heat/Cool, 20V AC - Digital Thermostats
EMERSONDigital Thermostats

EMERSON 1F89EZ-0251 Digital Thermostat, Manual Changeover, Heat/Cool, 20V AC

The EMERSON Low Voltage Thermostat (MPN 1F89EZ-0251) is a digital thermostat for heat or cool applications, featuring a rectangular shape and push-button controls. It operates on 20V AC with a manual changeover type…

SKU 3G-OTH-70502

Also listed as: 1F89EZ0251 · 1F89EZ 0251

Brand
EMERSON
Item
1F89EZ-0251 Digital Thermostat, Manual Changeover, Heat/Cool, 20V AC
Part Number
1F89EZ-0251
Category
Digital Thermostats
Available to Order
Also known as:1F89EZ-0251EMERSON
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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
1F89EZ-0251
Type
Manual, C/G/L/O/B/R/W2/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
Home-Sleep-Away Preset Buttons
Changeover Type
Manual
System Settings
Cool-Heat-Off
Mounting Direction
Horizontal
Terminal Designations
G
Temperature Differential
0.6° to 1.7°F
Temperature Control Range
45° to 99°F

Technical Documents

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

Product Description

The EMERSON Low Voltage Thermostat (MPN 1F89EZ-0251) is a digital thermostat for heat or cool applications, featuring a rectangular shape and push-button controls. It operates on 20V AC with a manual changeover type and system settings of Cool-Heat-Off, along with Auto-On fan settings. Key specifications include a temperature control range of 45° to 99°F, a temperature differential of 0.6° to 1.7°F, and Home-Sleep-Away preset buttons. The thermostat has terminal designations for G and is designed for horizontal mounting.

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 1F89EZ-0251 thermostat used for?

The EMERSON 1F89EZ-0251 is a low-voltage digital thermostat for heat or cool applications. It controls HVAC systems with manual changeover, Cool-Heat-Off settings, and Auto-On fan. Home-Sleep-Away preset buttons simplify temperature scheduling. 3G Electric supplies this thermostat globally, handling logistics and customs for industrial facilities.

What are the specifications of the EMERSON 1F89EZ-0251 thermostat?

The EMERSON 1F89EZ-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 features manual changeover, Cool-Heat-Off system settings, Auto-On fan, and terminal designations for G. The rectangular unit mounts horizontally with push-button controls and Home-Sleep-Away presets.

Where to buy the EMERSON 1F89EZ-0251 thermostat worldwide?

3G Electric supplies the EMERSON 1F89EZ-0251 thermostat to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance for delivery. Contact us to source this thermostat for your facility; we provide genuine EMERSON parts across 14 industrial departments.

How to install the EMERSON 1F89EZ-0251 thermostat?

Install the EMERSON 1F89EZ-0251 by mounting it horizontally on a wall, connecting wires to the G terminal and other designations per your HVAC system. Ensure 20V AC power is off during wiring. Set the manual changeover to Cool or Heat, and program Home-Sleep-Away presets. 3G Electric can advise on sourcing and delivery.

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 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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