Fun with Plumbing

Okay, so the radiators were disconnected by the contractor, and after I fired him, I installed hardwood floors and reconnected them. Of all my home-improvement skillz, plumbing was probably my least-well developed. Unlike tile or carpentry, I have only seen pipes being soldered, but never actually done them myself until now. Luckily I had my dad, the contractor, in Florida whom I could ask