Good luck, they probably havent made the 228 in 40 years. Finding a perfect one is going to be a needle in a hay stack.
https://www.oldcolemanparts.com/product.php?productid=1787&cat=&page=4
May check on here, there are also companies that will re-porcelain your old or chipped vent.
http://www.colemancollectorsforum.com/
De NadaHey perterra, I figured and appreciate the links, thanks!!
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