I found a water heater that does not need to be vented to the outside. At least that’s what this homeowner thought.
The new water heater is a tad higher than the old water heater. So why bother making a higher hole in the chimney for the higher water heater. Just leave it the way it came, the exhaust should find it’s way (some how) to the lower vent.
Ya, I found a Budweiser can next to the water heater. That’s explains the shoddy solder work.
As for the duct tape on the vent, I find it this way in half the homes I inspect. All dried up and crumbling. They should place a label on duct tape stating, “DO NOT USE ON VENT CONNECTORS”.