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EMERSON 1F87U-42WF Low Voltage WiFi Thermostat - Residential/Light Commercial Thermostats
EMERSONResidential/Light Commercial Thermostats

EMERSON 1F87U-42WF Low Voltage WiFi Thermostat

The EMERSON Low Voltage WiFi Thermostat (SKU 1F87U-42WF, MPN 1F87U-42WF) is a residential/light commercial thermostat for heat and cool applications. It features push-button control, a white housing, fully…

SKU 3G-OTH-70602

Also listed as: 1F87U42WF · 1F87U 42WF

Brand
EMERSON
Item
1F87U-42WF Low Voltage WiFi Thermostat
Part Number
1F87U-42WF
Category
Residential/Light Commercial Thermostats
Available to Order
Also known as:1F87U-42WFEMERSON
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

EMERSON
Manufacturer Part Number
1F87U-42WF
Type
White, Push Button
Application
Heat and Cool
Control Type
Push Button
Customizable
7-Day/Fully
Fan Settings
Auto-On
Housing Color
White
Smart Capabilities
Smart Alerts
Terminal Designations
Y2
Humidification Control
Yes
Programming Capability
Fully Customizable

Technical Documents

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

Product Description

The EMERSON Low Voltage WiFi Thermostat (SKU 1F87U-42WF, MPN 1F87U-42WF) is a residential/light commercial thermostat for heat and cool applications. It features push-button control, a white housing, fully customizable 7-day programming, and smart alerts. The thermostat includes Y2 terminal designations and supports humidification control with auto-on fan settings.

Frequently Asked Questions

What is the EMERSON Low Voltage WiFi Thermostat used for?

The EMERSON Low Voltage WiFi Thermostat (MPN 1F87U-42WF) controls heating and cooling in residential and light commercial buildings. It supports 7-day fully customizable programming, smart alerts, and humidification control, making it suitable for homeowners and facility managers seeking energy-efficient temperature management.

What are the specifications of the EMERSON 1F87U-42WF thermostat?

This EMERSON thermostat features push-button control, a white housing, Y2 terminal designations, and auto-on fan settings. It offers fully customizable 7-day programming, smart alerts, and humidification control. It operates as a low-voltage WiFi thermostat for heat and cool applications in residential and light commercial settings.

Where to buy the EMERSON 1F87U-42WF thermostat worldwide?

3G Electric supplies the EMERSON 1F87U-42WF 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 thermostat for your residential or light commercial HVAC project.

How to install the EMERSON Low Voltage WiFi Thermostat?

Installation typically involves mounting the thermostat base, connecting wires to Y2 and other terminals per the system’s wiring diagram, and attaching the faceplate. Ensure power is off before wiring. Follow the manufacturer’s manual for WiFi setup and 7-day programming. For complex systems, consult a licensed HVAC technician.

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

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