EMERSON Low Voltage WiFi Thermostat: Heat and Cool, White, 7-Day/Fully Customizable
The EMERSON Low Voltage WiFi Thermostat (SKU 49VR96, MPN 1F87U-42WF) is a residential/light commercial thermostat for heat and cool applications. It features push-button control, a white housing, fully customizable…
SKU 3G-OTH-70602
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Product Description
The EMERSON Low Voltage WiFi Thermostat (SKU 49VR96, 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.
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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.


