Answer:
Every job is different, and every crew distributes work in their own way. However, here is a fairly common breakdown of labor.
- Framing Crew: Panels
- Plumbers: Tubing, manifolds, copper, venting (per HTP manual), condensate and gas lines, and Warmsource
- Electrician: J-Boxes, 110V AC per device, Manifold Controller(s), thermostats