poweralert....

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That is to the LPG that they add perfume. So you are smelling unburnt gas (maybe you have a leak). The by product of the burnt gas is CO which is odourless.
 
wingnut771 said:
That is to the LPG. So you are smelling unburnt gas. The by product of the burnt gas is CO which is odourless.
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Whatever they do, I must take their word for it over yours. It's said to be a warning, good enough for me.
 
Brian_G said:
Whatever they do, I must take their word for it over yours. It's said to be a warning, good enough for me.
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Gas is also odourless, which is why they add perfume so you can detect a gas leak. When you burn the gas, it produces carbon monoxide, which is odourless and the killer as it just puts you to sleep. That's why people that off themselves put a hosepipe from their exhaust into their car to get that carbon monoxide magic.
 
wingnut771 said:
That is to the LPG that they add perfume. So you are smelling unburnt gas (maybe you have a leak).
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Lots of googling later.... I was told the burnt gas has an added odour too, but can't find anything about it so must be wrong.

Bottom line is it's too infrequent to be a leak, but as the heater unit is also about 20 years old maybe a valve is being affected by heat or increased warmth. Anyway it's really very slight, not worried, fairly sure I've always had that occasional smell.
 
wingnut771 said:
Gas is also odourless, which is why they add perfume so you can detect a gas leak. When you burn the gas, it produces carbon monoxide, which is odourless and the killer as it just puts you to sleep. That's why people that off themselves put a hosepipe from their exhaust into their car to get that carbon monoxide magic.
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Yup they put the perfume in thanks to a lot of people dying in the 1800s, when gas lighting was a thing.
 
wingnut771 said:
Gas is also odourless, which is why they add perfume so you can detect a gas leak. When you burn the gas, it produces carbon monoxide, which is odourless and the killer as it just puts you to sleep. That's why people that off themselves put a hosepipe from their exhaust into their car to get that carbon monoxide magic.
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I think everyone knows that. But a good warning for anyone who doesn't.
 
Epilogue:
Just spoke to a friend who's got the same heater, he has the exact same experiences as me - occasional slight "gas" smell in a smallish room after a few hours use.

All very odd, but anyway.
 
Brian_G said:
Not sure what would be considered a big enough room, mine will be around 20 square metres with a tall ceiling and I've used gas with little ventilation for nearly 20 years (has a standard wall air vent and there's a space under the door).

Maybe it's how high / close you sit to it, I'm about 4m away. For years our cat has sat too close until we stop her but seems fine.

If I occasionally smell it (they add something that lets you do so as a warning), then I ventilate a bit, and on we go..
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Think very small room. The type a domestic would live in at the back of a property…
 
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