http://www.balkanplumbing.com/protect-shallow-nyc-water-main-service-line-freezing718 849-0900 There are 3 steps to take when a water service line must be protected from freezing and other damage. In this video Balkan Sewer & Water Main Service carefully explains the proper way to install a shallow main water service line. since 1952 we have been repairing and replacing water main lines, sewer main lines in Manhattan, Bronx, Queens and Brooklyn. Trust balkan with all your water lines emergencies.