McDowell Drain services professionally install backwater valves to prevent sewage backups in your house. We install trustworthy, code-compliant valves across the Niagara Region to protect your basement from expensive flood damage and to keep it safe during periods of severe rain or sewer overloads. We Can Help: (905) 431-5612 visit: https://mcdowelldrain.ca/back-water-valve-installation/