backflow Definition

between, return, refoulement, valve, leakage, seepage, sump pump, drainage, stopcock, sewage, sewer, septic tank, diverter, sump, pipework, coolant, inlet, duct, blockage, downspout, flowmeter, water, siphonage, soakaway, drains, downpipe, chlorination, flue pipe, outfall, ingression, turbidity, chloramine, potability, underdrain, clarifiers, recirculation, effluent, bilge pump, contaminants, watercourse, leak, inferior vena cava, clarifier, contamination, semipermeable membrane, overfill, mains, underflow, overvoltage, spillway, condenser, immersion heater, leachate, crossflow, earthing, ignition coil, arrester, piping, pumping station, flooding, filtration, discharges, waterlines, hypochlorite, eustachian tube, faucets, downspouts, manway, sluices, forebay, intake valve, centrifugal pump, reticulation, overflow, weirs, suction, connector, hydrants, emboli, diking, rainwater, influent, macerator, zener diode, disinfection, impeller, chlorides, oxidisation, sacrificial anode, orthophosphate, sewerage, groundwater, sullage, pumps, pericardial sac, separator, dislodgement, aeration, aerator, overpressure,