ell, before retirement I was factory trained and certified to install Harman wood and coal burning appliances, and Evergreen/Pro Fab wood gasification outside and inside wood boilers. Both companies were very specific about the 140F minimum boiler temp. That range was critical to the longevity of the boiler's water jacket. Proper PH of the boiler water is also very important. That source is what I based my response on. > I have seen it in my own boiler. When water temp in boiler is less than 140F a black sticky glaze starts forming on the inside of the firebox. When temp gets into the 160F range the black glaze turns back to ash, that will brush off, and that is fact not fiction.-----------Loren
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Today's Featured Article - Show Coverage: Central Illinois Strawberry Festival - by Cindy Ladage and Janna Seiz. Every year the coming of summer is highlighted by different events for different people. For some, it is heralded with the end of school, tilling the garden, or completion of the planting season. To us, connoisseurs of find food, antique tractors, farm toys, crafts, and downright fun, the annual Strawberry Festival means summer is here. Every year, in Carlinville, Illinois, the Macoupin County Historical Society and the Macoupin Agricultural Antique Association team up to fill th
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