Honeywell Home T87 Range Stops Instruction Manual
- June 12, 2024
- Honeywell Home
Table of Contents
Honeywell Home T87 Range Stops
Product Information: T87 Range Stops
The T87 Range Stops are designed to be used with the T87K, N thermostats in
order to limit the minimum and maximum temperature settings. The package
includes two range stop scales and two #2-28 x 3/8 Phillips pan head screws.
The range stops are available in both Fahrenheit and Celsius scales:
- Fahrenheit Scale: Low Limit Range Stop – 42°F to 80°F
- Fahrenheit Scale: High Limit Range Stop – 60°F to 88°F
- Celsius Scale: Low Limit Range Stop – 6.5°C to 26°C
- Celsius Scale: High Limit Range Stop – 14.5°C to 31°C
For detailed installation instructions and usage guidelines, please refer to the user manual.
Product Usage Instructions: T87 Range Stops
- Set the thermostat to a temperature setting that falls in the middle of the desired upper and lower temperature range.
- If the thermostat is already attached to its base, remove it.
- On the back of the thermostat, align the range stop with the holes on the back of the thermostat.
- Using the temperature markings on the range stop, insert the supplied screws into the minimum and/or maximum range stop holes and tighten them.
- Mount the thermostat onto its base and set the desired temperature.
Note: Make sure to refer to the appropriate table for the range stop temperatures based on the desired Fahrenheit or Celsius scale.
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. 
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.
- 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.
Table 1. Low Limit Range Stop
| °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 |
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