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EMERSON Low Voltage Thermostat: Heat and Cool, Auto, Auto, Auto, Auto/Auto, Horizontal - Digital Thermostats
EMERSONDigital Thermostats

EMERSON Low Voltage Thermostat: Heat and Cool, Auto, Auto, Auto, Auto/Auto, Horizontal

The EMERSON Low Voltage Thermostat (MPN 1F85U-42NP) is a digital thermostat for heat and cool applications. It operates at 30V AC with automatic changeover and system settings, featuring a temperature control range…

SKU 3G-OTH-70341

Also listed as: 1F85U42NP · 1F85U 42NP

Brand
EMERSON
Item
Low Voltage Thermostat: Heat and Cool, Auto, Auto, Auto, Auto/Auto, Horizontal
Category
Digital Thermostats
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

EMERSON
Manufacturer Part Number
1F85U-42NP
Type
Auto, Auto, Auto, Auto/Auto, Horizontal, Rectangle
Shape
Rectangle
Voltage
30V AC
Digit Size
Easy Read
Application
Heat and Cool
Control Type
Slide Switch
Fan Settings
Auto
Key Features
Temperature Limits
Changeover Type
Automatic
System Settings
Auto
Mounting Direction
Horizontal
Terminal Designations
Y2
Temperature Differential
0.5° to 1.2°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 1F85U-42NP) is a digital thermostat for heat and cool applications. It operates at 30V AC with automatic changeover and system settings, featuring a temperature control range of 45° to 99°F and a temperature differential of 0.5° to 1.2°F. Key features include temperature limits, a slide switch control type, and a horizontal mounting direction.

Frequently Asked Questions

What is the EMERSON 1F85U-42NP thermostat used for?

The EMERSON 1F85U-42NP is a low voltage digital thermostat designed for heat and cool applications. It automatically changes between heating and cooling modes, making it suitable for residential and light commercial HVAC systems. 3G Electric supplies this thermostat globally.

What are the specifications of the EMERSON 1F85U-42NP thermostat?

The EMERSON 1F85U-42NP operates at 30V AC with a temperature control range of 45° to 99°F and a temperature differential of 0.5° to 1.2°F. It features automatic changeover, slide switch control, Y2 terminal designation, and horizontal mounting. The thermostat is rectangle-shaped with easy-read digits.

Where to buy the EMERSON 1F85U-42NP thermostat worldwide?

You can source the EMERSON 1F85U-42NP thermostat from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this thermostat.

How to install the EMERSON 1F85U-42NP thermostat?

Install the EMERSON 1F85U-42NP by mounting it horizontally on a wall, connecting the 30V AC supply to the Y2 terminal, and setting the slide switch to your desired mode. Ensure the temperature limits are configured per system requirements. 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

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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