That exhaust is made with different steel stove pipe sections that fit together like a Lego and it usually will have some small leaks at the joints that can be tightened up using small sheet metal screws and/or high heat duct tape.
To check it for leaks around the seams, use a little dishwashing soap and water in a spritzer bottle and spray it on the vent pipe exhaust. Any soap bubbles forming and growing indicate a leak when the oil pump/electrode/nozzle/fan blower powers up the boiler.
Each stove pipe joint should go good with three small sheet metal screws and high heat duct tape to seal it up.
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... down and out, liv'n that Walmart side of the lake!
Last edited by fatlazyless; 02-01-2022 at 06:40 AM.
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