Use these definitions to follow a repair explanation and ask more specific questions. The condition of your own system still needs assessment.
Backflow
Water flowing in the opposite direction from the intended supply path. A suitable prevention assembly helps protect a water supply.
Branch drain
A drain serving one fixture or group of fixtures before connecting to a larger line.
Cleanout
An access point used to reach a drain or sewer line for service.
Fixture shutoff
A valve intended to isolate the water supply to an individual fixture. Do not force a seized valve.
Main water shutoff
The valve used to isolate water entering the property’s plumbing. Its location varies.
Service line
A pipe connecting a property to a utility system. Responsibility depends on the utility and the specific connection.
Sewer lateral
The pipe connecting a building’s wastewater plumbing to the public sewer.
Trap
A shaped section of drain that holds water as a barrier against sewer gases.
Flange
A fitting that connects and secures a toilet to the drain at the floor.
Cartridge
A replaceable valve component used in many faucets and shower controls.
Anode rod
A component used in many tank water heaters to help protect the tank from corrosion. Service depends on the manufacturer and unit.
Relief valve
A safety valve intended to release excessive pressure or temperature under specified conditions. Never block its outlet.
Check valve
A valve designed to limit flow in the reverse direction.
Float switch
A level-responsive control that can activate a sump pump.
Camera inspection
A visual inspection of reachable sections inside a drain or sewer line. Visibility and access can limit findings.
Fixed-price scope
An agreed price for specified work. Confirm what is included and how changes will be approved.