Quote:
Originally Posted by Taf
2 situations: burning gas, and not burning gas.
The latter can cause confusion, as people think that flames will erupt as soon as the room thermostat trips on. That won't happen until the boiler internal thermostat detects outgoing water under the set temperature and with the circulation pump running.
If you listen carefully, you will hear the circulation pump start to run before the boiler even tries to burn gas. It's one of the many safety features.
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Do you have the DT4 installer menu breakdown please? The gas man said they are programmed to work out the box. I'm just curious what everything does or means
