Answer:

boilermaker

AnswerCrossword Clue
BOILERMAKERThe heating contractor ordered a ..
BOILERMAKERBeer-and-whiskey cocktail
BOILERMAKERHeating contractor's bar order?
BOILERMAKERPotent potable
BOILERMAKERWhiskey-beer combo
BOILERMAKERPurdue player