CAUTION: ELECTRICAL HAZARD
Can cause electrical shock or equipment damage. Disconnect power before beginning installation.
CAUTION: EQUIPMENT DAMAGE HAZARD
Compressor protection is bypassed during testing. To prevent equipment damage, avoid cycling the compressor
CAUTION: MERCURY NOTICE
If this product is replacing a control that contains mercury in a sealed tube, do not place the old control in the trash.
Contact your local waste management authority for instructions regarding recycling and proper disposal.
Heat: 40 °F to 90 °F (4.5 °C to 32.0 °C)
Cool: 50 °F to 99 °F (10.0 °C to 37.0 °C)
Operating Ambient Temperature
32 °F to 120 °F (0 °C to 48.9 °C)
-20 °F to 120 °F (-28.9 °C to 48.9 °C)
Operating Relative Humidity
5% to 90% (non-condensing)
W2 (Aux) Heating
E Emergency Heat
Y Compressor Stage 1
Y2 Compressor Stage 2
©2019 Resideo Technologies, Inc. This product is manufactured by Resideo Technologies, Inc., Golden Valley, MN, 1-800-633-3991
The Honeywell Home trademark is used under license from Honeywell International Inc. All rights reserved.
33-00423EFS—03 M.S. Rev. 03-19
Printed in U.S.A.
750 mV DC
100 mA DC
Resideo Inc., 1985 Douglas Drive North
Golden Valley, MN 55422
Physical Dimensions in inches (mm) (H x W x D)
T10 PRO Wi-Fi Thermostat:
4.9" x 3.7" x 0.93" (125.4 x 94.1 x 23.68)
UWP Mounting System (included):
2-9/32" x 2-13/64" x 2-43/64" (58 x 56 x 10)
Standard Installation Adapter (included):
3-29/32" x 3-57/64" x 21/32" (99 x 99 x 17)
Cover Plate – Medium (included):
5-11/64" x 5-1/2" x 11/16" (131.4 x 139.7 x 17.5)
Cover Plate – Large (THP2400A1068):
6-7/64" x 6-7/64" x 9/32" (155 x 155 x 7)
5-year limited warranty
For Warranty information go to
§ 15.19 (a)(3)
This device complies with part 15 of the FCC Rules. Operation
is subject to the following two conditions:
1 This device may not cause harmful interference, and
2 This device must accept any interference received,
including interference that may cause undesired operation.
This device complies with Industry Canada's license-exempt
Operation is subject to the following two conditions:
1 This device may not cause interference; and
2 This device must accept any interference, including
interference that may cause undesired operation of the
FCC Warning (Part 15.21) (USA only)
Changes or modifications not expressly approved by the party
responsible for compliance could void the user's authority to
operate the equipment.
The product should not be disposed of with other household
waste. Check for the nearest authorized collection centers
or authorized recyclers. The correct disposal of end-of-life
equipment will help prevent potential negative consequences
for the environment and human health.