Honeywell T4398A1021 Mechanical Non-Programmable Thermostat
Includes Color-Coded Leads for Easy Installation

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T4398A1021 Honeywell Honeywell Thermostat
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Description

The Honeywell T4398A1021 mechanical non-programmable thermostat is a high performance electric heat thermostat. It provides precise line voltage control of resistive-rated electric heating equipment.

Vapor-Filled Dual Diaphragm Sensing Element
The Honeywell T4398A1021 mechanical thermostat includes a sensing element that provides high-temperature sensitivity with minimum droop.

Rugged-Engineered Mounting Base
The T4398A1021 non-programmable thermostat features a plastic mounting base with a captive mounting screw.

Quick Installation
This thermostat includes color-coded flyleads compatible with aluminum wire for quick installation.

Snap Action Switch
A snap action switch is included that makes the heating circuit on temperature fall.

Specifications

  • Model: Honeywell T4398A1021
  • Product Type: Mechanical non-programmable thermostat
  • Product Dimensions: 2.63'' L x 2.88'' W x 4.5'' H
  • Product Weight: 1 lb.
  • Product Color: Premier White
  • Applications: Electric baseboards, convectors and fan forced heaters (resistive rated loads)
  • Mounting: Vertical Mount
  • Stages: 1 Heat
  • Electrical Connections: 6 in (150 mm) copper leadwires, suitable for connecting to aluminum wiring if approved CO/ALR solderless connectors are used
  • Switching Action: SPST
  • Accuracy (C): 1 C
  • Setting Temperature Range: 50 to 80 degrees F
  • Differential Temperature: 2 degrees F (1 degree C)
  • Electrical Ratings: Noninductive resistive 22A at 120/208/240 Vac. 19A At 277 Vac.
  • Frequency: 60 Hz
  • Sensor Element: Vapor filled dual diaphragm
  • Ambient Temperature Range: 50 To 80 Degrees F (10 To 25 C)
  • Approvals, Underwriters Laboratories, Inc: Listed; File No. E47434, Guide No. XAPX
  • Approvals, Canadian Standards Association: Listed; File No. LR1322
  • Voltage: 120/208/240/277 VAC
  • Warranty: 1 year manufacturer's warranty
  • Can control fan-forced and baseboard electric heaters
  • Includes a long-life, industrial-grade Micro Switch mechanism
  • For quick installation, this thermostat includes color-coded flyleads compatible with aluminum wire
  • Can replace any standard wall-mounted electric heat thermostat
  • Features a frost protection setting

Benefits

  • Is extremely sensitive to temperature changes
  • Features contemporary white styling
  • Both fan-forced and baseboard electric heaters can be controlled

Additional Product Information


View the T4398A1021 Honeywell Thermostat Manual!

For more than a century, Honeywell has been on the leading edge of product development for energy-efficient HVAC and building automation products. Contractors and building owners count on Honeywell commercial thermostats for the latest technology, ease-of-use, and energy savings. Honeywell thermostats are best used for temperature control and over-temperature protection for the appliance, office automation, industrial, commercial aircraft, and medical equipment industries. Also, Honeywell takes pride in their easy-to-read displays, with simple step-by-step instructions anyone can follow. The T4398A1021 thermostat is one of the best, with a price and warranty that make this brand the well-trusted name it is.
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