I'm almost done with a 30 install and have my chimney up. Last step is connecting my thimble, which terminates the triple wall to a double wall stove pipe
6 DVL Double Wall Oval-to-Round Adapter
Selkirk 6 Chimney Pipe Adapter
DuraVent DuraPlus 420 Stainless Steel Triple Wall Stove Pipe
6 Diameter DuraVent DuraBlack Single-Wall Stove Pipe Components
6'' Inner DVL Double Wall Stove Pipe With Trim Chimney Adapter
We offer two different style adapters to connect double wall and single wall stove pipe. Double Wall and Single Wall adapters with female and male
Double Wall and Single Wall Stove Pipe Adapters
DuraVent 3 in. D Stainless Steel Appliance Pipe Adapter - Ace Hardware
Why won't my duravent 6 in black pipe fit into the 6 in wall
Dura Vent DuraVent DVL 6'' Double Wall Steel Telescoping