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by Joe1234567
Wed May 28, 2014 10:32 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Vaillant EcoTEC Pro 24 Combi-Boiler not Turning on When Thermostat Turns on
Replies: 0
Views: 11960

Vaillant EcoTEC Pro 24 Combi-Boiler not Turning on When Thermostat Turns on

Hi I have a Valliant ecoTEC pro 24, with a Drayton Digistat SLR wireless thermostat. It was installed about 3.5 years ago. I'm pretty confident the thermostat is working - I can see the flame symbol come on and off as the temperature rises and falls, and also as I turn the thermostat to hotter or co...
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