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Dayton Line Volt Mechanical Tstat: Cool Only, Steel, 30° to 110°F, 3.5°F - Indoor Single-Stage Controls
DaytonIndoor Single-Stage Controls

Dayton Line Volt Mechanical Tstat: Cool Only, Steel, 30° to 110°F, 3.5°F

The DAYTON Line Volt Mechanical Tstat: Cool Only (SKU 1UHH4) is an indoor single-stage control with a steel enclosure. It features a hydraulic air coil, SPST switch (close on rise), and a 3.5°F differential…

SKU 3G-OTH-155550

Brand
Dayton
Item
Line Volt Mechanical Tstat: Cool Only, Steel, 30° to 110°F, 3.5°F
Category
Indoor Single-Stage Controls
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Technical Specifications

Dayton
Manufacturer Part Number
1UHH4
Type
Steel, 30° to 110°F, 3.5°F, Hydraulic Air Coil
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Dayton Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The DAYTON Line Volt Mechanical Tstat: Cool Only (SKU 1UHH4) is an indoor single-stage control with a steel enclosure. It features a hydraulic air coil, SPST switch (close on rise), and a 3.5°F differential, operating over a 30° to 110°F range at 120 to 270V AC.

Frequently Asked Questions

What is the DAYTON Line Volt Mechanical Tstat 1UHH4 used for?

The DAYTON 1UHH4 is a cool-only line-voltage thermostat for indoor single-stage control. It is typically used in commercial or industrial HVAC systems to regulate cooling equipment such as unit heaters or fan coils, switching on when temperature rises above the setpoint.

What are the specifications of the DAYTON 1UHH4 thermostat?

The DAYTON 1UHH4 has a steel enclosure, SPST switch (close on rise), hydraulic air coil, and a 3.5°F differential. It operates from 30° to 110°F at 120 to 270V AC. It is a cool-only, line-voltage mechanical thermostat for indoor use.

Where to buy the DAYTON 1UHH4 thermostat worldwide?

You can source the DAYTON 1UHH4 thermostat through 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.

How to install the DAYTON Line Volt Mechanical Tstat 1UHH4?

Mount the thermostat on a vibration-free wall at typical room height. Connect line and load wires per the wiring diagram for 120 to 270V AC. Ensure the hydraulic air coil is exposed to ambient air. Set the temperature dial to the desired cooling setpoint.

Used in

Common applications for Dayton
HVAC ventilation — DAYTON centrifugal upblast roof exhaust fans (SKU 7M7U3) for kitchen exhaust systems
Mechanical power transmission — DAYTON HTD timing pulleys (SKU 404GV0) for conveyor belt drives
Process water handling — DAYTON self-priming centrifugal pumps (SKU 2ZXT4) for dewatering or transfer
Roofing and building services — DAYTON fixed ventilated roof curbs (SKU 4HX59) for filtered supply fan installations
Material handling — DAYTON latch assemblies (SKU 2KEN4) for electric chain hoist hook safety
Industrial air movement — DAYTON downblast roof exhaust fans (SKU 3HFL9) for clean air exhaust in manufacturing plants

Dayton Products

3G Electric supplies Dayton indoor single-stage controls. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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DAYTON Line Volt Mechanical Tstat: Heat or Cool, Plastic, 30° to 110°F, 3.5°F, Hydraulic Air Coil (MPN 1UHH1). Key specifications — attr400419: 24 to 600V AC; attr400424: SPDT, Open/Close on Rise; attr400415: 30° to 110°F; attr400417: 3.5°F; attr400418: Hydraulic Air Coil; attr400408: Heat or Cool; attr408361: DAYTON; attr400410: Plastic.
DAYTON Line Volt Mechanical Tstat: Heat or Cool, Stainless Steel, 30° to 110°F, 3.5°F (MPN 2NNR9). Key specifications — attr400419: 120 to 270V AC; attr400424: SPDT, Open/Close on Rise; attr400415: 30° to 110°F; attr400417: 3.5°F; attr400418: Hydraulic Air Coil; attr400408: Heat or Cool; attr408361: DAYTON; attr400410: Stainless Steel.
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DAYTON Line Volt Mechanical Tstat: Heat or Cool, Stainless Steel, 30° to 110°F, 3.5°F (MPN 2NNT1). Key specifications — attr400419: 120 to 270V AC; attr400424: (2) SPDT, Open/Close on Rise; attr400415: 30° to 110°F; attr400417: 3.5�°F; attr400418: Hydraulic Air Coil; attr400408: Heat or Cool; attr408361: DAYTON; attr400410: Stainless Steel.
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DAYTON Line Volt Mechanical Tstat: Heat Only, Steel, -10° to 100°F, 6°F to 8°F, Bi-Metal (MPN 2E815). Key specifications — attr400419: 120 to 277V AC; attr400424: SPST, Open on Rise; attr400415: -10° to 100°F; attr400417: 6°F to 8°F; attr400418: Bi-Metal; attr400408: Heat Only; attr408361: DAYTON; attr400410: Steel.
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DAYTON Line Volt Mechanical Tstat: Cool Only, Stainless Steel, 30° to 110°F, 3.5°F, 120 to 270V AC (MPN 2NNT2). Key specifications — attr400419: 120 to 270V AC; attr400424: SPST, Close on Rise; attr400415: 30° to 110°F; attr400417: 3.5°F; attr400418: Hydraulic Air Coil; attr400408: Cool Only; attr408361: DAYTON; attr400410: Stainless Steel.
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DAYTON Line Volt Mechanical Tstat: -30° to 90°F, Stainless Steel, Fixed, 3°F, 120V/240V/277V AC Volt (MPN 2NNT3). Key specifications — Switch Type/Action: SPDT, Open/Close on Rise; Temperature Control Range: -30° to 90°F; Temperature Differential: 3°F; Voltage: 120V/240V/277V AC; Capillary Length/Bulb Diameter: 8 ft Capillary, 5 in x 1/4 in Bulb; Brand: DAYTON; Differential Type: Fixed; Enclosure Material: Stainless Steel.
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DAYTON Line Volt Mechanical Tstat: Heat or Cool, Steel, -10° to 100°F, 2°F, Bi-Metal, 120 to 277V AC (MPN 2E816). Key specifications — attr400419: 120 to 277V AC; attr400424: SPDT, Open/Close on Rise; attr400415: -10° to 100°F; attr400417: 2°F; attr400418: Bi-Metal; attr400408: Heat or Cool; attr408361: DAYTON; attr400410: Steel.
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DAYTON Line Volt Mechanical Tstat: -30° to 90°F, Steel, Adj, 3° to 12°F, 120V/240V/277V AC Volt (MPN 6EDY7). Key specifications — Switch Type/Action: SPDT, Open/Close on Rise; Temperature Control Range: -30° to 90°F; Temperature Differential: 3° to 12°F; Voltage: 120V/240V/277V AC; Capillary Length/Bulb Diameter: 8 ft Capillary, 5 in x 1/4 in Bulb; Brand: DAYTON; Differential Type: Adjustable; Enclosure Material: Steel.