Emergency call for no water. Customer had a few pipes burst in the boiler room and had to shut the water off to the entire house. Arrived to find that three of the water lines behind the boiler froze and split because there is an outside wall vent that was wide open and a cold draft was blowing directly on the pipes. Sealed off that vent and insulated he wall. Repaired the 3/4†copper water main with a new elbow. Also had to install new isolation valves for the hose bibs which was two of the lines that had burst. The existing gate valves were not working all the way which is why there was still water in the pipes and they froze. Once the new ball valves were installed, we left the hose bibs open so they can drain down. Repiped the 1/2†copper water lines to tie back into the one hose bib. The other one is split in multiple places all down the outside wall. The wall is not well insulated and the piping is now junk. Recommend that we leave that hose bib in the garage capped off for n