Peter D Posted March 20, 2023 Share Posted March 20, 2023 Small gas furnace, is making a popping noise when getting close to temp. Have new liner in and new base plate. Quote Link to comment Share on other sites More sharing options...
Latticino Posted March 20, 2023 Share Posted March 20, 2023 Likely getting preignition inside the burner. Typically happens as the flame front moves back towards the air/fuel source which happens when the forge/melter/furnace starts getting hotter. You have to keep the flowrate up at higher fire and not turn it down as the chamber approaches temperature and be careful to let the waste gasses flow freely (don't close the door too far). Sometimes can be addressed by allowing a small amount of secondary air to be induced by the burner outlet (gap between the forge shell and burner port). Quote Link to comment Share on other sites More sharing options...
ThomasPowers Posted March 20, 2023 Share Posted March 20, 2023 This reads like: "My vehicle is having engine trouble tell me what is wrong?" What would you need to know to actually answer this question? Quote Link to comment Share on other sites More sharing options...
Irondragon Forge ClayWorks Posted March 21, 2023 Share Posted March 21, 2023 Welcome from the Ozark mountains. Bring the furnace by our shop and we will help you trouble shoot it. Or you could post some pictures with it running, not as good as hands on though. Is the furnace a commercial one or home made? Quote Link to comment Share on other sites More sharing options...
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