Filter
Top Products
T4398A,B HIGH PERFORMANCE ELECTRIC HEAT THERMOSTATS
68-0147—2
2
SPECIFICATIONS
IMPORTANT
The Specifications given in this publication do not
include normal manufacturing tolerances. Therefore,
this unit may not exactly match the listed
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.
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.
Electrical Ratings (Noninductive Resistive Loads):
22A at 120/208/240 Vac; 19A at 277 Vac, 60 Hz.
Wiring Connections:
6 in. (150 mm) copper leadwires, suitable for connecting to
aluminum wiring if approved special service CO/ALR
connectors are used.
Sensing Element:
Vapor-filled dual diaphragm.
Temperature Setting Range:
50° to 80°F (10° to 25°C).
Thermometer Temperature Range:
50° to 90°F (10° to 30°C).
Differential:
2°F (1°C), nonadjustable.
Setpoint Adjustment:
Dial on front of thermostat.
Dimensions:
See Fig. 1.
Barometric Sensitivity:
1°F /500 ft (0.5°C/kPa).
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.
Approvals:
Underwriters Laboratories Listed: File no. E47434, guide
no. XAPX.
Canadian Standards Association Listed: File no. LR1322.
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.
Table 1. Thermostat Specifications.
Model
Number Switching
Temperature Rating
°F (°C) Finish Includes
T4398A Spst; makes single line break on
temperature fall.
50 to 80 (10 to 25) White Cover thermometer, temperature
range stops and locking cover.
T4398B 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:
1. Model Number.
2. Switching.
If you have additional questions, need further information, or would like to comment on our products or services, please write or
phone:
1. Your local Home and Building Control Sales Office (check white pages of your phone directory).
2. 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.