11/10/2026
Emergency call for oil boiler chimney with Terra cotta blockage… look at first picture,,, that’s a huge piece of Terra cotta blocking entire chimney from venting….. broken Terra cotta removed and 316ti Stainless steel chimney liner kit installed… boiler was less than 100k btus (output of exaust) going into a stone chimney with a 9x13 flue…. Boiler didn’t stand a chance of proper draft… stone retains so much cold in winter and causes boiler gases to instantly condensate… and the chimney Terra cotta was 2xs to big for such a small unit… chimney lined with stainless and all is safe for winter… packing it in…. I don’t want to sit in traffic for the other calls we still haven’t gotten to… tomorrow is another day