T4398A,B HIGH PERFORMANCE ELECTRIC HEAT THERMOSTATS
Thermometer Temperature Range:
0° to 90°F (10° to 30°C).
SPECIFICATIONS
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IMPORTANT
Differential:
°F (1°C), nonadjustable.
The Specifications given in this publication do not
include normal manufacturing tolerances. Therefore,
this unit may not exactly match the listed
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Setpoint Adjustment:
specifications. Also, this product is tested and
calibrated under closely controlled conditions, and
some minor differences in performance can be
expected if those conditions are changed. For exact
engineering specifications, contact your Honeywell
sales representative.
Dial on front of thermostat.
Dimensions:
See Fig. 1.
Barometric Sensitivity:
1°F /500 ft (0.5°C/kPa).
TRADELINE® MODELS
TRADELINE models are selected and packaged to provide
ease of stocking and handling and also maximum
replacement value. TRADELINE model specifications are
listed in Table 1.
Mounting:
Mount directly on vertical 2 x 4 in. outlet box, or on 4 x 4 in.
outlet box with ring adapter (ordered separately), using 6-32
Robertson slotted screws.
Electrical Ratings (Noninductive Resistive Loads):
Approvals:
22A at 120/208/240 Vac; 19A at 277 Vac, 60 Hz.
Underwriters Laboratories Listed: File no. E47434, guide
no. XAPX.
Canadian Standards Association Listed: File no. LR1322.
Wiring Connections:
in. (150 mm) copper leadwires, suitable for connecting to
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aluminum wiring if approved special service CO/ALR
connectors are used.
Accessories:
272804A Range Stop and Locking Screw Assembly: Includes
locking cover screws, Tinnerman cilps, wrench and range
stops—two plastic pins to insert inside cover for field-
selection of minimum and maximum temperature settings.
Sensing Element:
Vapor-filled dual diaphragm.
Temperature Setting Range:
50° to 80°F (10° to 25°C).
Table 1.Thermostat Specifications.
Model
Number
Temperature Rating
°F (°C)
Switching
Finish
Includes
T4398A
T4398B
Spst; makes single line break on
temperature fall.
50 to 80 (10 to 25)
White
Cover thermometer, temperature
range stops and locking cover.
Dpst; makes double line break
with setting knob at OFF position.
50 to 80 (10 to 25)
White
Cover thermometer, temperature
range stops and locking cover.
ORDERING INFORMATION
When purchasing replacement and modernization products from your TRADELINE® wholesaler or distributor, refer to the
TRADELINE® Catalog or price sheets for complete ordering number or specify:
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. Model Number.
. Switching.
If you have additional questions, need further information, or would like to comment on our products or services, please write or
phone:
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. Your local Home and Building Control Sales Office (check white pages of your phone directory).
. Home and Building Control Customer Relations
Honeywell, 1885 Douglas Drive North
Minneapolis, Minnesota 55422-4386
In Canada—Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Scarborough, Ontario M1V 4Z9.
International Sales and Service Offices in all principal cities of the world. Manufacturing in Australia, Canada, Finland, France,
Germany, Japan, Mexico, Netherlands, Spain, Taiwan, United Kingdom, U.S.A.
68-0147—2
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