Is this acceptable? PVC vent going up into B vent. 1973 California Condo.
I don’t think so, but what is it hooked to?
If it discharges through the vent to the exterior meaning not discharging into the B vent but simply using the B vent as a chase for the PVC it would be Ok but not allowed to discharge into the vent because the temps of the flue gases are different
what Charley said…