ASK This Old House | Preventing Plumbing Disasters

Richard explains how, where, and why plumbing systems fail. Richard gives a deep dive on when and how plumbing pipes and connections can be repaired or replaced. Ross explains and demonstrates how to prevent plumbing failures with new technology. Preventing Water Damage Kevin O’Connor and damage prevention specialist Michael Milligan toured a home to identify ways to prevent plumbing leaks and other flood damage. How a Frozen Pipe Bursts Richard demonstrated that pipes, when frozen, expand in volume, which exponentially increases the water pressure and forces the pipe to burst. In these circumstances, shut the water off at the main and immediately call a plumber. To prevent the pipes from freezing in the first place, Richard recommended keeping cabinet doors open and insulating the pipes with pipe insulation. This can be found at home centers. How to Replace Polybutylene Piping with PEX Richard travels to Richmond, Virginia to help a homeowner replace her polybutylene piping with conventional PEX. Where to find it? Polybutylene pipes are no longer to code and need to be replaced by a licensed professional. Richard was assisted by Capital Mechanical. The tools and materials required to replace the pipes, including the PEX lines, fittings, and the expansion tool, can all be found at home centers and plumbing supply houses. The PEX piping for this project was supplied by Uponor. Future House | Smart Automatic Water Shutoff Valves Ross travels to Los Angeles to learn about innovations being made to automatic water shutoff valves.