Bricking & Pan contact ?

[EBG18T]

So we received our 18x60 drop flue evaporator from CDL. I cut & installed the ceramic board first. Then I cut bricks to fit the angles and allow for the grate to still come out easy. But I overlooked something..

After I finished applying mortar and getting all the bricks in place i decided to take a measurement of the drop flue width vs the space between the bricks now that everything is place. The side of the outside flue is going to contact the bricks on the wall. Is this going to cause an issue?






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