T87M2036
Modulating Room Thermostat

Room temperature![](https://manuals.plus/wp-

content/uploads/2021/08/Screenshot-2021-08-25-013135-297x300.png)

Boiler on![](https://manuals.plus/wp-

content/uploads/2021/08/Screenshot-2021-08-25-013242-300x292.png)

Turn dial one click to inquire about the set temperature

Temperature Setting

Turn dial to adjust temperature setting

Faults

Check the wiring

See the User Guide of your boiler

OpenTherm communication fault

Defective thermostat

Contact your installer

In case of fault.

Pittway Sarl, Z.A. La Pièce 4, 1180 Rolle, Switzerland

www.resideo.com              Country of origin : UK

© 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.

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