@hvacknowitall: Access tee vs drilling... When testing a gas appliance, it's important to perform a combustion analysis but drilling into the flue on plastic vent pipe is not advisable. IPEX has access tees made for this specific purpose for both 1738 and 636, on this video we focus on 1738. We are using the Seitron Novo Combustion Analyzer to show how the tee works. #combustionanalysis #applianceventing #gasapplianceventing #hvacinstaller #hvacservice

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Sunday 25 October 2026 21:43:06 GMT