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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

Brand
EMERSON
Item
Low Voltage Thermostat: Heat and Cool, Auto, Auto, Auto, Auto/Auto, Horizontal
Category
Digital Thermostats
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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
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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.

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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EMERSON Low Voltage Thermostat: Heat or Cool, Manual, C/G/O/B/R/W/Terminal Designations, Auto-On (MPN 1F86EZ-0251). Key specifications — Application: Heat or Cool; Key Features: Change Filter Reminders; Temperature Differential: 0.6° to 1.7°F; Voltage: 20V AC; Terminal Designations: C; System Settings: Cool-Heat-Off; Temperature Control Range: 45° to 99°F; Changeover Type: Manual.
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EMERSON Low Voltage Thermostat: Heat or Cool, Manual, C/E/G/L/O/B/R/W2/Terminal Designations, 20V AC (MPN 01F89 211S1). Key specifications — Application: Heat or Cool; Key Features: Batteries Not Required; Temperature Differential: 0.6° to 1.5°F; Voltage: 20V AC; Terminal Designations: L; System Settings: Cool-Heat-Off; Temperature Control Range: 45° to 99°F; Changeover Type: Manual.
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