Installed Weil McLain high efficiency boiler and triangle tube indirect water heater. Adapted to existing plumbing, gas lines, electrical, venting, and drains. Installed spirovent air eliminator, auto fill backflow preventer, dhw circulator, purge valves, gas shut off valves, taco zone control panel, 2 new zone valves,expansion tank, wireless Honeywell thermostat. Storage tank and boiler has all air bled out of lines. Will need to return to add extra circulator.