oss";p="2023741 said:Whilst i accept i was not in full receipt of the correct information[post above] and this had somewhat turned me off flueless to the point i would not install them. i did fit one for a friend ,he had already brought it and dismissed my concerns.2weeks later i goes to visit him only to find the vent nearly blocked off,i freaked out, told him he had put his family at risk,anyway we removed and put in an electric fire.the strangest thing is that he has a precast flue.[/quote]
oss";p="2023741 said:I come acros far more dangerous PC flued fires than anything else! A PC fire consuming 7Kw, with a flue blocked with cobwebs, and sometimes incorrect loft flue configuration is actually more hazordous than a FL with a partially blocked vent. A FL fire is a MAX of 3.5Kw, and mast are under 2.5Kw. Not that you mustn't be vigilant of course, but you don't need the vent for combustion purposes.
I recently serviced a gas fire fitted to a 9x9. It passed the spillage test, just, afetr 15 mins. but it was clearly not right. Got the flue swept, and it was a little better, but still not as strong as I would expect. I climbed the roof and removed the clay GC terminal, which was rammed full of cobwebs and spiders. I talked the client into just having a basic bird guard, and the flue then pulled like a train.
First, be prepared for a deluge of dommsadyers. Most comments you will read are absolute nonsense, save for vents causing draughts. This can be minimised by careful selection and siting. We do a fair few and have had only a couple of comments rather than complaints.
BUT: Who is fitting the fire?
I am guessing that you have bought ot off the 'net, or a shed, without any advice. If you haven't yet purchased, then go and buy it from a proper shop, but remember that their free advice costs THEM money.
The galvanised pipe method of yours won't work, and we won't give GAS advice to DIYers.
The job has to be structured and planned, and will requitre at least 2 visits.
Don't forget the vent, and again advice is needed.
No, they don't normally need a hearth
my concern with flueless fires is that the MI (of the one we have in the centre for CPA1) says the cat will last for over 10,000 hrs of use which equates to normal use, who says 10,000 is normal and who monitors the use, do you put a wee calander on the wall for the punter to mark off each hour use, surely if the cat is safe for 10,000hrs a simple rundown clock assembly fitted to the gas supply via a solenoid would shut the gas off at 9999 then a new cat could be fitted. I cant get my head round them saying it will last for 10,000 but there is nothing to stop it being used after they say it might not be 100% safe
The main problem I see with flueless fires is the huge hole in the wall. If I look at the amount of blocked off back boiler vents I have seen, I wouldn't want to be there when HSE is investigating a CO incident on one of my fires.
With all the health and safety bolloks these days, it will be my fault for not making sure the user was convinced that he mustn't block the vent.
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