I’d say if you had 50 water heater changeouts in apartments you’d need to be prepared for every scenario.Sparky it may be a blessing in disguise that you didn't get it. My boss stayed away from all prevailing wage jobs. To many things go wrong he always said. How many
water heaters have you done where you hook the hose and nothing drains. You can't just pull the drain valve and let fly. Things like that can hurt you money wise.
Pumps, hoses,makers Mark, condoms, .45 acp, etc.