Honeywell T4398B User Manual

T4398a,b precision electric heating thermostat, Application, Features

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PRODUCT DATA

69-1604

® U.S. Registered Trademark
Copyright © 2002 Honeywell • All Rights Reserved

T4398A,B Precision

Electric Heating Thermostat

APPLICATION

The T4398 Electric Heating Thermostat provides precise,
accurate line voltage control of electric heating equipment. A

snap action switch makes the heating circuit on temperature

fall. B models feature double-line break in the Off position.

FEATURES

• Controls both fan-forced and baseboard electric

heaters.

• Vapor-filled dual diaphragm sensing element provides

high-temperature sensitivity with minimum droop.

• Canadian Standards Association (CSA) Performance

Certified up to 20A.

• CSA Certified, UL Listed up to 5 kW at 277 Vac.
• Long-life, industrial-grade Micro Switch™ mechanism.
• Rugged-engineered, plastic mounting base with

captive mounting screw.

• Color-coded flyleads compatible with aluminum wire

for quick installation.

• Replaces any standard wall-mounted electric heat

thermostat.

• Contemporary white styling.
• Operating temperature range of 50°F to 80°F (10° C to

30° C).

• Celsius and fahrenheit models available.
• Optional thermometer.
• Altitude compensation feature.
• Frost protection setting (A models only).
• Optional locking cover and range stops available.

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