Consultation Code: ENG9KQRGT upon arrival, meet and greet customer go over Work scheduled for the day start tearing out, rooftop condenser and inside furnace cut hole inside of new furnace for return air for return. Air seal Plenum on new unit or 11 flush copper line set hook up, copper at new furnace and new condenser on rooftop nitrogen test 400 psi for one hour pump down to 500 µm. New thermostat new flow switch new drain to wall. Will need to return with running P-trap and correct breaker for unit. Everything else is complete and job is finished. Customer asked to leave gas off at furnace You need a double sided breaker one side of 15 one side a 20 each side is a single pole