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PRODUCT DATA
Copyright © 1996 Honeywell Inc. • • All Rights Reserved
X-XX UL
FEATURES
• Controls both fan-forced and baseboard electric
heaters.
•Temperature-responsive, vapor-filled dual diaphragm
sensing element provides 2°F (1°C) sensitivity with
minimum droop.
• UL listed up to 5 kW at 277 Vac.
• Replaces virtually all standard wall-mounted line
voltage thermostats.
• Includes long-lasting Micro Switch™ mechanism.
• Color-coded leads for easy installation.
•Cover thermometer indicates room temperature.
• Rugged, plastic mounting base.
• Contemporary white finish complements almost any
decor.
T4398A,B High
Performance Electric Heat Thermostats
Contents
General ............................................................................. 1
Features ............................................................................ 1
Specifications .................................................................... 2
Ordering Information ......................................................... 2
Installation ......................................................................... 3
Settings and Adjustment ................................................... 4
Checkout ........................................................................... 5
Operation .......................................................................... 6
GENERAL
The T4398A,B High Performance Electric Heat Thermostats
provide precise line voltage control of resistance-rated electric
heating equipment. Snap action switch makes heating circuit
on temperature fall; T4398B models make double line break
with setting knob at OFF position.
68-0147-2