“Lowest bidder” - The whole job has to be ripped out and redone. He used heaps of second hand crap too. It’s a real mess. You should see his companies electrical work. They don’t have a mechanical services or electrical license. It’s a wonderful situation.
You’re going to hate the outcome to this. He shut down to avoid responsibility, but then bought an existing company to continue operating. Everyone hates him.
High pressure seems to mean different things in different situations. eg:water jet vs UHP water blasting vs tapered coupling installation vs um, tyre inflation?