Carbon monoxide and central heating boilers
11 December 2002, 05:19 PM
#1
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I've just blocked off the vent in the utility room because this lovely easterly wind is making it colder than a witch's tit.
We've got an oil-fired boiler and I wanted to know if they present the same dangers as gas-fired boilers with regards to carbon monoxide?
Cheers
Kav
We've got an oil-fired boiler and I wanted to know if they present the same dangers as gas-fired boilers with regards to carbon monoxide?
Cheers
Kav
11 December 2002, 05:39 PM
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Oil boilers work on the same principle as gas boilers ie. they need a constant supply of fresh air for the combustion process, if all the air is used up in the room incomplete combustion will occur and then the fun starts...REINSTATE THE AIR SUPPLY....
Mog
Mog
11 December 2002, 06:07 PM
#6
one of my work colegues lost his son and very nearly his wife due to a blocked air vent when the snow fell heavily a few years ago. I wouldnt want anyone to go through what he did. Take CO seriously in the home, it is a killer, you dont know you are being affected.
11 December 2002, 07:10 PM
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mog
what about rsf boilers???
Room sealed appliances
they take air direct from outside(ie using the flue) for combustion so you dont need a air vent to an outside wall.
mainly open flued appliances that need air for combustion use the airvent through the wall.eg>baxi bermuda back boiler,Baxi boston open flue.etc etc
Read the instruction manual and see if its neccessary for a air vent.The manufacturors instructions overrule the corgi rules regarding ventilation.,but if it has a vent then its there for some reason.I cant see you getting carbonmonoxide poisoning just by blocking the vent,but rules are rules.We must fit them,after we have gone its in the customers hands what they do with them.
You can get vent kits with a built in baffle that stops the wind howling through made by niccol ventilators and are the size of a brick.
Duncan
what about rsf boilers???
Room sealed appliances
they take air direct from outside(ie using the flue) for combustion so you dont need a air vent to an outside wall.mainly open flued appliances that need air for combustion use the airvent through the wall.eg>baxi bermuda back boiler,Baxi boston open flue.etc etc
Read the instruction manual and see if its neccessary for a air vent.The manufacturors instructions overrule the corgi rules regarding ventilation.,but if it has a vent then its there for some reason.I cant see you getting carbonmonoxide poisoning just by blocking the vent,but rules are rules.We must fit them,after we have gone its in the customers hands what they do with them.
You can get vent kits with a built in baffle that stops the wind howling through made by niccol ventilators and are the size of a brick.
Duncan
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11 December 2002, 07:43 PM
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Scooby nutter...here we go again, but Mark wasn't specific about the type of boiler he has and so surely it is better to err on the side of caution when an purpose made air vent has been blocked up and to air my concerns.(no pun intended)
As a CORGI installer (as you are I assume) I am always concerned about carbon monoxide being a threat, whether or not this occurs in oil boilers I don't know as I'm not OFTEC registered (are you), but I do know that removing the air supply from any combustion process will cause problems.....................
Mog
As a CORGI installer (as you are I assume) I am always concerned about carbon monoxide being a threat, whether or not this occurs in oil boilers I don't know as I'm not OFTEC registered (are you), but I do know that removing the air supply from any combustion process will cause problems.....................
Mog
11 December 2002, 07:52 PM
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Mark
Unblock the vent NOW.
I was unfortunate whilst on call for Brit Gas to have been first to arrive at a house where 2 ppl had been poisoned by CO. One died, the other was dead a few days later. Not nice I can tell you.
Better to be a little chilly than be in a box.
Remember. CO is a silent killer. You will not know its affecting you.
Chip.
Unblock the vent NOW.
I was unfortunate whilst on call for Brit Gas to have been first to arrive at a house where 2 ppl had been poisoned by CO. One died, the other was dead a few days later. Not nice I can tell you.
Better to be a little chilly than be in a box.
Remember. CO is a silent killer. You will not know its affecting you.
Chip.
11 December 2002, 08:10 PM
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Good code - thanks chaps!
The boiler certainly takes its air feed from the outside via the flue because I remember the guy who installed the boiler telling me about it.
I've heard enough on this thread to unblock the vent but as a matter of interest, do oil fired boilers produce carbon monoxide? Along the same lines, I understand people who have tried to commit suicide by feeding fumes from a diesel engine back into the car have failed miserably because it doesn't produce CO in sufficient quantities.
Either way, thanks for the feedback.
Cheers
Kav
The boiler certainly takes its air feed from the outside via the flue because I remember the guy who installed the boiler telling me about it.
I've heard enough on this thread to unblock the vent but as a matter of interest, do oil fired boilers produce carbon monoxide? Along the same lines, I understand people who have tried to commit suicide by feeding fumes from a diesel engine back into the car have failed miserably because it doesn't produce CO in sufficient quantities.
Either way, thanks for the feedback.
Cheers
Kav
11 December 2002, 08:26 PM
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maybe their car wasnt sealed enough...
an open fire can produce CO
its just CO2 without the 2nd O
all it needs is fossil fuel type burn, AFAIK
so yes, oil burning can do it... theoretically
i would never take a chance with gas or oil...
an open fire can produce CO
its just CO2 without the 2nd O
all it needs is fossil fuel type burn, AFAIK
so yes, oil burning can do it... theoretically
i would never take a chance with gas or oil...
11 December 2002, 08:51 PM
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CO is produced by any restricted combustion process. The normal gas produced when a fuel is burnt in air is CO2 but if the air supply is restricted then there is not enough oxygen so CO is produced instead.
Any combustion process must have a clear supply of air to function safely & correctly. The flue gas should always be exhausted by a clear path the prevent build up of CO2, CO and any other product of the combustion process.
Any combustion process must have a clear supply of air to function safely & correctly. The flue gas should always be exhausted by a clear path the prevent build up of CO2, CO and any other product of the combustion process.
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