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I know this kind of thread has been done many times. I've read lots of them, watched lots of YouTube videos and clayart topics. From this I have learnt there are many problems with this kind of conversion. I have never fired with gas, but I love the look of reduction glazes and my old electric kiln was nearly dead anyway. Following a recent house move I faced the prospect of a costly electrician bill to install it in our outbuilding, and decided that converting it to gas would be comparable in cost. Initially I was going to do an updraft kiln. After reading many uneven firing woes I decided the cost and hassle of building a chimney would be worthwhile. I decided to spend a decent amount of money on a burner. I know one burner kilns aren't as good as 2 but I don't have money for another one. Mine will fire up to a 10 cubic ft kiln apparently. It has flame failure protection and a needle valve so it should be ok to fire my small kiln hopefully. My kiln is 17" width and 22" deep so around 3 cubic ft. So burner is overkill but perhaps I will build a bigger kiln from scratch in the future and I don't want to have to buy more burners. After ordering the burner I read this thread which is very close to what I intend to do. Joel originally had a very similar burner to mine, although his was 90 degree and mine is straight. I'm worried that this doesn't bode well for my success as he totally changed burner setup after failing to reach temp. I do think there might be something in the comments about his chimney size though... So I'm going to press on with a larger chimney. I'm hopefully goes to collect some 230x114x76mm insulation bricks next week. I have worked out on paper my chimney setup. Things I need to decide now: 1. Do I use 50/50 fireclay and grog mix with some sodium silicate or something else like expensive kiln mortar to stick bricks together. 2. Burner port placement. There isn't going to be much room at the base of kiln with that chimney opening. Can I have a burner port above the floor shelf? I guess pots directly in flame path would get too hot. 3. Connecting chimney to kiln opening. This needs to be insulated, so do I use like a 2cm thick strip of kiln brick as a kind of bridge all around the 4 planes of the connection. This would reduce the area of flue but would be worth it? Not sure if that will make sense to anyone? I could ramble all day about this, I will probably just keep posting my progress and hopefully someone may be able to help me out of the darkness and into the light! Edit: the 114 in image should read 76!