Started by oldguy2, December 19, 2009, 05:50:22 AM
Quote from: Admin on December 20, 2009, 01:00:05 PMI had been drilling a hole into the exhaust vent at the furnace, and plugging it with a plug from TPI, but I would be more comfortable doing it the way you've described.
Quote from: Admin on October 27, 2016, 11:20:14 AMThere are no written guidelines that I'm aware of, but I did hear the TSSA does not want us to drill and plug the venting. If you do that it's best to install a coupling and remove the drilled area. Most furnace models now have a plug somewhere that can be removed to take a flue sample closer to the ventor motor.