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Manuals for ATAG Thermostats

Below you can find all models ATAG Thermostats for which we have manuals available. Also view the frequenty asked questions at the bottom of the page for useful tips about your product. Is your model not on the list? Please contact us.

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Frequently Asked Questions

Our support team searches for useful product information and answers to frequently asked questions. If you find an inaccuracy in our frequently asked questions, please let us know by using our contact form.

What is the dead zone of a thermostat? Verified

Many modern thermostats have a dead zone. If the temperature deviates less than 4°C from the set temperature, the system will not heat or cool. This so called dead zone of the thermostat prevents the system from turning on and off too often, saving energy.

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What is the best place to mount a thermostat? Verified

The best place for a thermostat is approximately 1,5 meter above the ground. Never place the thermostat nead a radiator or other heat emitting equipment or in direct sunlight. Choose a room that is used often. In most cases this is the living room.

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Latest comments

Manual ATAG One Thermostat
Franco Santini 11-11-2023
The thermostat makes a continuous sound which stops if you remove it from the support


(Translated by Google)
ATAG One Thermostat
Manual ATAG One Thermostat
Ron Woodman 08-07-2023
My Controller has just stopped working, can i purchase a new battery and where?


ATAG One Thermostat
Manual ATAG One Thermostat
J Lahaeye 19-10-2022
Why does my heating start when the thermostat is set to a lower temperature ex: Night time 16 • until 7:30 a.m. At 7 a.m. the radiators are already hot Thank you for your help


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ATAG One Thermostat
Manual ATAG Brain II Thermostat
Ad van der Velde 20-03-2022
I have not used this thermostat for a long time. Now want to plug it back in, but the display doesn't light up. Left it plugged in for a while and checked the internal battery. It has the correct voltage (3V) but still no display. What could be the cause?


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ATAG Brain II Thermostat
Manual ATAG One Thermostat
sandra 30-11-2021
The boiler was turned off for a few days. The atag one thermostat has a blue button that flashes but does not accept any other command. What should I do?


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ATAG One Thermostat