Honeywell Home T87N Range Stops
APPLICATION
Use the 50010944-001 range stops with the T87K, N thermostats to limit the minimum and maximum temperature settings.
The 50010944-001 contains two range stop scales and two #2-28 x 3/8 phillips pan head screws. 
Fig. 1. Range stop and screws (Fahrenheit range).
Fig. 2. Range stop and screws (Celsius range).
INSTALLATION
- Set the thermostat to a temperature setting in the middle of the upper and lower range desired.
- Remove the thermostat from its base (if already attached).
- On the back of the thermostat, align the range stop with the holes on the back of the thermo-stat. See Fig. 3.
Fig. 3. Aligning range stop with thermostat. - Using the temperature markings on the range stop, insert supplied screws into the minimum and/or maximum range stop holes and tighten. Refer to Tables 1 and 2 for range stop tempera-tures. See Figs. 4 and 5.
- Mount the thermostat onto its base and set desired temperature. See Fig. 5.
°F °C 42 4 44 5 46 6.5 48 8 50 9 52 10 54 11 56 12 58 13 60 14.5 62 15.5 64 16.5 66 17.5 68 19 70 20 72 21 74 22.5 76 23.5 78 24.5 80 26 Table 2. High Limit Range Stop
°F °C 88 31 86 29.5 84 28 82 27.5 80 26 78 25 76 24 74 22.5 72 21.5 70 20 68 19 66 18 64 17 62 16 60 14.5 
Fig. 4. Low-range stop settings.
Fig. 5. High-range stop settings.
Resideo Technologies, Inc.
1985 Douglas Drive North, Golden Valley, MN 55422
1-800-468-1502
69-1864EFS—01 M.S. Rev. 01-20 | Printed in United States www.resideo.com
©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.
REFERENCE
Download Manual:
Honeywell Home T87N Range Stops INSTALLATION INSTRUCTIONS
OTHER MANUALS:
Honeywell Home T87N Ther Round Thermostat Owner Manual
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