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Resideo Technologies, Inc.
1985 Douglas Drive North, Golden Valley, MN 55422
1-800-468-1502
33-00016-----02 M.S. Rev. 04-20 | Printed in United States
© 2020 Resideo Technologies, Inc. All rights reserved.
The Honeywell Home trademark is used under license from Honeywell International, Inc. This product is manufactured by Resideo Technologies, Inc. and its affiliates.
Prod
uct Part Number
Operating Ambient
Temperature
Operating Relative
Humidity
Shipping Temperature Physical Dimensions in Inches (mm) Color(s)
Thermostat
TH8321R1001
32 to 120 °F
(0 to 48.9 °C)
5% to 90%
Non-Condensing
-20 to 120 °F
(-28.9 to 48.9 °C)
4-15/16 x 4-5/8 x 1-1/8
(126 x 118 x 29)
Arctic White
TH8320R1003
32 to 120 °F
(0 to 48.9 °C)
5% to 90%
Non-Condensing
-20 to 120 °F
(-28.9 to 48.9 °C)
4-15/16 x 4-5/8 x 1-1/8
(126 x 118 x 29)
Arctic White
TH8110R1008
32 to 120 °F
(0 to 48.9 °C)
5% to 90%
Non-Condensing
-20 to 120 °F
(-28.9 to 48.9 °C)
4-15/16 x 4-5/8 x 1-1/8
(126 x 118 x 29)
Arctic White
Equipment
Interface
Module
YTHM5421R1010
THM5421R1021
-40 to 165 °F
(-40 to 73.9 °C)
5% to 95%
No
n-Condensing
-20 to 165 °F
(-28.9 to 73.9 °C)
9-11/32 x 4-53/64 x 1-19/32
(237 x 123 x 41)
Gray
Dimensions of thermostat in in. (mm). Dimensions of VisionPRO cover
plate in in. (mm).
Dimensions of Equipment Interface
Module in in. (mm).