2
T8621A,C,D
SPECIFICATIONS • ORDERING INFORMATION
Specifications
IMPORTANT: The specifications given in this publica-
tion do not include normal manufacturing toler-
ances. Therefore, this unit may not exactly match
the listed specifications. Also, this product is
tested under closely controlled conditions, and
some minor differences in performance can be
expected if those conditions are changed.
SUPER TRADELINE MODEL
SUPER TRADELINE controls, see Table 1, offer fea-
tures not available on TRADELINE models and are
designed to replace a wide range of Honeywell and
competitive controls.
SUPER TRADELINE FEATURE: Fan operation switch
on back of thermostat to select either independent or
direct thermostat control of fan in heating.
TRADELINE MODELS
TRADELINE models, see Table 2, are selected and pack-
aged to provide ease of stocking and handling and also
maximum replacement value.
LIGHT-EMITTING DIODE (LED): SYSTEM LED
lights during thermostat ON cycle.
VOLTAGE RATING: 15 to 30 Vac.
TABLE 1—SUPER TRADELINE MODEL.
Thermostat
Model
Stages
Changeover
Switching
Number
Heat
Cool
Type
System
Fan
Application
T8621D
2
2
Manual
HEAT-OFF-COOL
ON-AUTO
Multistage
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; SUPER TRADELINE, if desired.
4. Remote temperature sensing, if desired.
2. Number of heat and cool stages desired.
5. Application.
3. System, fan switching desired.
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 Honeywell Home and Building Control Sales Office (check white pages of your phone directory).
2. Home and Building Control Customer Satisfaction
Honeywell Inc., 1885 Douglas Drive North
Minneapolis, Minnesota 55422-4386 (612) 951-1000
In Canada—Honeywell Limited/Honeywell Limitee, 740 Ellesmere Road, Scarborough, Ontario M1P 2V9. 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.
