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Honeywell Line Volt Mechanical Tstat: Heat or Cool, Steel, -30° to 100°F, 5°F - Indoor Single-Stage Controls
HoneywellIndoor Single-Stage Controls

Honeywell Line Volt Mechanical Tstat: Heat or Cool, Steel, -30° to 100°F, 5°F

The Honeywell Line Volt Mechanical Tstat is an indoor single-stage control for heat or cool applications. Housed in a steel enclosure, it features a hydraulic air coil with a temperature range of -30° to 100°F and a…

SKU 3G-OTH-155542

Also listed as: T631C1103U · T631C1103 U · T631C1103-U

Brand
Honeywell
Item
Line Volt Mechanical Tstat: Heat or Cool, Steel, -30° to 100°F, 5°F
Category
Indoor Single-Stage Controls
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Technical Specifications

Honeywell
Manufacturer Part Number
T631C1103/U
Type
Steel, -30° to 100°F, 5°F, Hydraulic Air Coil

Technical Documents

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

Product Description

The Honeywell Line Volt Mechanical Tstat is an indoor single-stage control for heat or cool applications. Housed in a steel enclosure, it features a hydraulic air coil with a temperature range of -30° to 100°F and a 5°F differential. The SPDT switch operates open/close on rise, and the device accepts 24 to 277V AC.

Frequently Asked Questions

What is the Honeywell T631C1103/U line volt mechanical thermostat used for?

The Honeywell T631C1103/U is an indoor single-stage thermostat for heat or cool applications. It controls HVAC equipment in industrial environments, using a hydraulic air coil to sense temperature from -30° to 100°F with a 5°F differential.

What are the specifications of the Honeywell T631C1103/U thermostat?

The Honeywell T631C1103/U is a steel-enclosed line volt mechanical thermostat with SPDT switch (open/close on rise). It operates on 24 to 277V AC, covers -30° to 100°F, and has a 5°F differential. The hydraulic air coil provides reliable temperature sensing for heat or cool control.

Where to buy the Honeywell T631C1103/U thermostat worldwide?

3G Electric supplies the Honeywell T631C1103/U line volt mechanical thermostat worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this genuine Honeywell part to your facility, regardless of location.

How to install the Honeywell T631C1103/U line volt mechanical thermostat?

Install the Honeywell T631C1103/U by mounting the steel enclosure securely and wiring the SPDT switch per the 24 to 277V AC supply. Ensure the hydraulic air coil is positioned for accurate ambient sensing. Follow standard HVAC wiring practices and local codes for safe operation.

Used in

Common applications for Honeywell
Commercial kitchen and inflight-catering steam boilers — RM7890 / RM7895 flame relays with UV detection
Food-processing ramp-and-dwell ovens — DBC2000E / DBC2100E controllers
Hotel and hospital boiler plants — VR8205 combination gas controls
Petrochemical tank-farm heating — V4xxx gas-valve bodies with ML7420 actuators
Retrofit swap-outs from legacy Fireye / Satronic — Honeywell replacement kits

Honeywell Products

3G Electric supplies Honeywell 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
JOHNSON CONTROLS Line Volt Mechanical Tstat: Heat or Cool, Steel, 30° to 110°F, 3.5°F, 24 to 277V AC (MPN A28AA-4C)
JOHNSON CONTROLS
JOHNSON CONTROLS Line Volt Mechanical Tstat: Heat or Cool, Steel, 30° to 110°F, 3.5°F, 24 to 277V AC (MPN A28AA-4C)
JOHNSON CONTROLS Line Volt Mechanical Tstat: Heat or Cool, Steel, -30° to 100°F, 3° to 12°F (MPN A19BBC-2C)
JOHNSON CONTROLS
JOHNSON CONTROLS Line Volt Mechanical Tstat: Heat or Cool, Steel, -30° to 100°F, 3° to 12°F (MPN A19BBC-2C)
JOHNSON CONTROLS Line Volt Mechanical Tstat: Heat or Cool, Steel, -30° to 40°C, 1.8° to 7.2°C (MPN A19BBC-4C)
JOHNSON CONTROLS
JOHNSON CONTROLS Line Volt Mechanical Tstat: Heat or Cool, Steel, -30° to 40°C, 1.8° to 7.2°C (MPN A19BBC-4C)
JOHNSON CONTROLS Line Volt Mechanical Tstat: Heat or Cool, Steel, 30° to 110°F, 3.5°F, 24 to 277V AC (MPN A19BAC-1C)
JOHNSON CONTROLS
JOHNSON CONTROLS Line Volt Mechanical Tstat: Heat or Cool, Steel, 30° to 110°F, 3.5°F, 24 to 277V AC (MPN A19BAC-1C)
Temperature Control: Single Stages, Heat and Cool, -40°F to 248°F, Digital, 1, SPDT (MPN T775B2032/U)
Honeywell
Temperature Control: Single Stages, Heat and Cool, -40°F to 248°F, Digital, 1, SPDT (MPN T775B2032/U)
Temperature Control: Single Stages, Heat and Cool, -40°F to 248°F, Digital, 1, SPDT (MPN T775B2040/U)
Honeywell
Temperature Control: Single Stages, Heat and Cool, -40°F to 248°F, Digital, 1, SPDT (MPN T775B2040/U)

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