I have an existing venting setup for my previous Whitfield Quest pellet stove. I have replaced it with a Cleveland PS20W mini pellet stove. I am hoping to be able to use the existing venting with this pellet stove, but as you can see from the photos, I’ll need to lower the pipe. It says connectors should be L or PL and have 80mm or 3 inch diameter. Recommended is 24 gauge, double walled, type B ventilation (from the manual). Can you please help me? Hopefully I can keep most of my existing setup.
Photos attached.
Photos attached.