Plumbing by Trial and Error

Okay, this was the scene of my latest, and hopefully my last, flood. Some background: the contractor that I fired (Osni) had moved this radiator because the new jacuzzi tub was a couple of inches bigger than the old tub and the radiator, therefore, didn't fit anymore. The joker who moved the radiator used to work for the gas company, and if he can't connect water pipes without leaking, I shudder