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Common Water Issue in BC
Gurgling Toilet When Shower Runs — Vent Issue
A gurgling toilet when the shower or sink is used indicates a venting problem in the drain system. BC homeowners should investigate to prevent sewer gas entry.
Possible Causes
- •Blocked or partially clogged vent pipe on roof
- •Inadequate vent pipe size for fixture units
- •Main sewer line partial blockage creating air pressure changes
- •Drain pipe leak allowing air to be drawn into system
- •Frozen vent pipe in winter months
Recommended Steps
- 1Check roof vent pipe for bird nests, leaves, or debris blockages
- 2Test if gurgling occurs when specific fixtures are used — helps isolate issue
- 3Listen for gurgling in multiple fixtures to determine if issue is main line or specific
- 4If vent clearing does not resolve, call professional CCTV inspection
- 5Drain vent issues can allow sewer gas entry — address promptly
Related Services
Need Professional Help?
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