Mike Lamb Posted June 19, 2019 Report Posted June 19, 2019 Both furnaces in this place had these red plugs in the exhaust? The reason?
Jim Katen Posted June 19, 2019 Report Posted June 19, 2019 Perhaps someone had done combustion testing?
Jim Katen Posted June 19, 2019 Report Posted June 19, 2019 or maybe someone just like's the festive look.
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