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Discuss Valliant ecotec 637 no water sign on display and radiator flashing in the Central Heating Forum area at PlumbersForums.net

Hi.
i have new installed valliant ecotec 637. The tap button is not showing on the display and the radiator is flashing on the screen. I can press the right button and change all the radiator settings but I am unable to access any of the tap settings as there is nothing on display. Please help!
 

scott_d

Plumber
Gas Engineer
637 is a system boiler so just heats
The external controls will decide if that heat goes to radiators or hot water cylinder
 

centralheatking

Esteemed
Plumber
Hi.
i have new installed valliant ecotec 637. The tap button is not showing on the display and the radiator is flashing on the screen. I can press the right button and change all the radiator settings but I am unable to access any of the tap settings as there is nothing on display. Please help!
So your installer never showed you how to operate your new system boiler ? It’s not uncommon
Chking
 

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