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Why do pyrolytic ovens require the removal of metal racks for cleaning?
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[QUOTE="sophiecentaur, post: 6895088, member: 199289"] That's nice to know. I guess the distortion could be taken care of if the mounting holes / slots are designed generously. It's not absolute expansion here but differential expansion, compared with the oven body that counts. There's the problem. I imagine that the steel of the oven must have been chosen to match the enamel or there would be cracking under normal thermal cycling. [URL='https://en.wikipedia.org/wiki/Thermal_expansion#Thermal_expansion_coefficients_for_various_materials']This wiki link[/URL] has a list of typical expansion figures. I'm sure the designers used similar information - steel to match the enamel being more important than matching stainless steel. Probably Smeg (and the other manufacturers) are just covering their backsides. We have to wait for more input from PF about experiences. If it still looks risky, I might remove the grot on the metalwork with a blow torch, carefully applied. But what a potential selling point to offer a self cleaning oven that looks after itself!! [/QUOTE]
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Why do pyrolytic ovens require the removal of metal racks for cleaning?
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