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HONEYWELL HOME Line Volt Mechanical Tstat: Heat Only, On, 50° to 80°F, Exposed Dial - Analog Thermostats
HONEYWELL HOMEAnalog Thermostats

HONEYWELL HOME Line Volt Mechanical Tstat: Heat Only, On, 50° to 80°F, Exposed Dial

The HONEYWELL HOME Line Volt Mechanical Tstat: Heat Only (MPN T4398A1021) is an analog thermostat with a single-stage (1H) heat-only application. It features an exposed dial control, operates on 120 to 277V AC, and…

SKU 3G-OTH-70216

Brand
HONEYWELL HOME
Item
Line Volt Mechanical Tstat: Heat Only, On, 50° to 80°F, Exposed Dial
Category
Analog Thermostats
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Technical Specifications

HONEYWELL HOME
Manufacturer Part Number
T4398A1021
Type
On, 50° to 80°F, Exposed Dial
AC
120 to 277V
Stages
1H
Voltage
120 to 277V AC
Application
Heat Only
Control Type
Exposed Dial
Fan Settings
No Fan Setting
System Settings
On
Switch Type/Action
SPST, Open on Rise
Temperature Control Range
50° to 80°F
View Full Spec Sheet

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

Product Description

The HONEYWELL HOME Line Volt Mechanical Tstat: Heat Only (MPN T4398A1021) is an analog thermostat with a single-stage (1H) heat-only application. It features an exposed dial control, operates on 120 to 277V AC, and uses a SPST switch that opens on rise. The temperature control range is 50° to 80°F, with system settings set to On and no fan setting.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the Honeywell Home T4398A1021 line volt mechanical thermostat used for?

The Honeywell Home T4398A1021 is a heat-only analog thermostat for single-stage heating systems. It controls temperatures from 50° to 80°F using an exposed dial, operates on 120 to 277V AC, and features a SPST switch that opens on rise. Common in industrial and commercial heating applications.

What are the specifications of the Honeywell Home T4398A1021 thermostat?

The Honeywell Home T4398A1021 is a line volt mechanical thermostat with heat-only application, 1H stage, SPST switch (open on rise), temperature range 50° to 80°F, voltage 120 to 277V AC, exposed dial control, and no fan setting. It is an analog thermostat for simple on/off heating control.

Where to buy the Honeywell Home T4398A1021 thermostat worldwide?

3G Electric supplies the Honeywell Home T4398A1021 thermostat to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery for international orders. Contact us for pricing and lead time on this heat-only line volt mechanical thermostat.

How to install the Honeywell Home T4398A1021 line volt thermostat?

Install the Honeywell Home T4398A1021 by disconnecting power at the breaker, then wiring the SPST switch (open on rise) per the heating equipment schematic. Mount the exposed dial thermostat on a wall away from drafts. Set the temperature between 50° and 80°F. Always follow local electrical codes.

Used in

Common applications for HONEYWELL HOME
Residential HVAC — Honeywell Home TH115-A-120S/U thermostat for 7-day programmable temperature control in homes.
Light commercial buildings — Honeywell Home TL8230A1003 line-voltage thermostat for electric heating systems in offices.
Hydronic heating systems — Honeywell Home L4006E1117 immersion controller for high-limit temperature regulation in boilers.
Indoor air quality monitoring — Honeywell Home C7263A1008 air quality sensor for gas analysis in commercial facilities.
Furnace control — Honeywell Home ST9120U1011 timer controller for circulating fan timing in integrated furnace systems.
HVAC switching — Honeywell Home RA889A1001 switching relay for 24V AC control of zone valves or dampers.

HONEYWELL HOME Products

3G Electric supplies HONEYWELL HOME analog thermostats. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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