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PM Gas and Heating Services

Top trades
  • Gas Engineer
  • Heating Engineer
  • Plumber

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i have a combi boiler which has a red light flashing flame failure

Does it have an overheat thermostat which has to be manually reset? if not, I think I would start by making sure the gas supply to the boiler was ok and carrying out basic electrical checks (short circuit). Then possibly checking the thermistors.

Answered 28th May 2011

Central Heating Boiler Vents

The boiler make and model details would be required to give a good answer. However.....

Is the boiler open flued? If it is, the boiler takes air for combustion from the room/cupboard it is installed and therefore the ventilation has to be correct to allow the correct amount of air in. If it is not open flued, the ventilation is just for keeping the boiler cool. As for your question about using a flue, again if the boiler is open flued then no you cannot fit this type of flue and if it is a room sealed boiler it already has this type of flue.


Answered 4th Jun 2011

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