What should I inspect and maintain for sink & drain?
Use a recurring visual check of sink & drain, document changes, follow exact manufacturer instructions, and escalate conditions outside safe user access.
What this means
This kitchen system includes drainage, faucet flow, leaks, traps, and supply. Useful observations include: Sink will not drain, Sink gurgles when dishwasher runs, Faucet has low pressure, Water leaks below the sink, No hot water at this faucet. Inspection frequency depends on age, climate, usage, manufacturer instructions, and prior problems; an observation is not proof of a component failure.
Safe checks
- Look for visible moisture, corrosion, movement, drainage changes, and abnormal flow without disconnecting pipes.
- Know the nearest safe shutoff and never force a seized valve.
- Document which fixtures are affected and whether another fixture changes the symptom.
Stop and get help if
- Stop for rapidly spreading water, sewage, a bulging surface, or water near electricity.
- Use qualified service when a repair requires opening walls, altering supply or drainage, or working beyond accessible user parts.
Which professional to call
Use a qualified plumber when visible checks do not explain the condition or the work exceeds normal user access.
Find the relevant tradeSource and method
This answer combines HomeSOS's structured triage with safety boundaries supported by a public source. It does not replace inspection.
Health Canada: Home safetyReviewed August 12, 2026