3 ton gas package rooftop unit installed

[@mateovillanueva7238]

That T should be placed where the 90 is going down to the P-trap, so that your drain dog can bypass the drain pan of the unit and blow just through the line without any backfeed into the drain pan

[@bobbyz7736]

The flashing on the curb is supposed to go under the top and side roofing material, not just mastic covering.

[@PaulHVAC1]

Gas piping should be painted no?

[@mateovillanueva7238]

Condensate blow out is wrong bud

[@SeanKane-n6d]

$hitty install with a $hitty AC Pro Nordyne garbage