Pellet stove pipe vertical clearance, please help

I'm installing a pellet stove in my basement with 4" pellet stove vent. What is the vertical clearance to combustibles above the horizontal section? I would think it's greater than the 2" noted for vertical pipe?

Outfitter I Pellet Stove

Pellet Stove Fire Clearances Fire clearance distances & Pellet Stove Manuals

Build your order The Grizzly Wood Stove was created with small spaces in mind; it removes the humidity, warms the bones and dries the toes. The

CB-1210 GRIZZLY Cubic Mini Wood Stove

Wood Stove & Fireplace Venting: The Complete How-To Guide

DuraVent - PelletVent 3 Inner Diameter Wall Thimble (for 3 clearance — Fireplaces USA

How to Properly Vent a Pellet Stove

Horizontal flue - direct vent. Thoughts?

Vertical run just over 3-feet high Laser-welded, double-wall pipe with a .012″ inner wall of 444 stainless steel and a .018″ laser-welded galvalume

3 Pellet Stove Vent Pipe Kit For Horizontal Installs With A Vertical Rise by Dura Vent Pro

Stay warm and safe while cozying up by the wood-burning stove thanks to the DVL Galvanized Steel Double Wall Stove Pipe from DuraVent, the latest icon

DuraVent DVL 6DVL-48 6 Inch Galvanized Steel Double Wall Stove Pipe, Black