A backflow preventer is a device or assembly that prevents backflow. Some types of backflow preventers require testing to ensure that they will work as intended and there are some that do not require testing. For more information to visit our official website https://www.ncmplumbingmech.ca/ or feel free to contact us.
Ontario Backflow Mech
A backflow preventer is a device or assembly that prevents backflow. Some types of backflow preventers require testing to ensure that they will work as intended and there are some that do not require testing. For more information to visit our official website https://www.ncmplumbingmech.ca/ or feel free to contact us.
