HEAT GUN VS HOLE SAW - Removing Glued PVC/ABS Pipe Fittings

pipe extenders
https://www.pvcfittingsonline.com/fittings/schedule-40-pvc/pipe-extenders.html

4" socket saver
https://amzn.to/3nW7Qxs

3" socket saver
https://amzn.to/39ofp7o

2" socket saver
https://amzn.to/3tWPTQc

Wagner Furno 300heat gun
https://amzn.to/2XFVm2g

4-1/2" Bosch hole saw
https://amzn.to/2Zf3GGp

Bosch hole saw mandrel
https://amzn.to/3lPnasH

Heat gun (this isn't the one we used but it looks identical)
https://amzn.to/2Zkq1m5

Needle nose pliers
https://amzn.to/3AvlHhn

Reed 4" Clean Ream
https://amzn.to/3ACqtd6