Brewtools Upgrades B40 B80 Pro

This video provides an informational guide to the upgrade packages available for Brewtools 40 and 80L Pro systems that are not to the latest design. I hope this is useful to existing Brewtools owners and those considering ownership.
Channel links:-

facebook.com/groups/Brewbeer
https://www.teespring.com/stores/david-heath-homebrew

Introduction music:- Drink Beer (Till The Day That I Die) by Dazie Mae